Master Windows 10 Event Viewer for Fast Troubleshooting

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Windows 10 keeps a running flight recorder of system events — and the built‑in Event Viewer is the single most powerful tool for reading that record, diagnosing crashes, tracing service failures, and building a repeatable troubleshooting workflow that works for both home power users and IT professionals.

Windows Event Viewer on a monitor showing error logs, with blue sticky notes.Background / Overview​

Event logging in Windows is a long‑standing, structured subsystem that collects messages from the operating system, drivers, services, and applications. Logs are split into predictable channels — Windows Logs (Application, Security, Setup, System, Forwarded Events) and Applications and Services Logs (individual components and ETW providers). Each entry contains a timestamp, provider/source, event ID, level (Information, Warning, Error, Critical), and a message or XML payload with technical details. This model lets you locate root causes by filtering, correlating events and exporting data for deeper analysis.
Event logging is stable across modern Windows releases; the same fundamental workflow described here applies to Windows 10’s Event Viewer UI and to the command‑line tools administrators prefer. However, the tools you use — GUI versus PowerShell versus wevtutil — each have different strengths: interactive clarity, scriptability, or recovery‑console resilience.

How to open Event Viewer (quick methods)​

These are the fastest, most reliable ways to launch Event Viewer in Windows 10:
  • Open from Start — type Event Viewer and press Enter.
  • Run dialog — press Windows + R, type eventvwr.msc, press Enter.
  • Quick menu — press Windows + X and choose Event Viewer (or open Computer Management and then System Tools → Event Viewer).
  • Power user / script — run eventvwr.msc from an administrative command prompt or deploy remote tools.
Each method lands you in the same console: a three‑pane layout with the navigation tree on the left, the event list in the middle, and contextual actions/details on the right.

Navigating the Event Viewer UI​

When Event Viewer opens, the layout is simple but dense:
  • Left pane (navigation): browse the log tree, open Windows Logs (Application, Security, Setup, System, Forwarded Events) or expand Applications and Services Logs for component‑specific channels.
  • Middle pane: chronological list of events for the selected log, with columns for Date/Time, Source, Event ID, Task Category and Level (Information/Warning/Error/Critical).
  • Lower / right panes: event details appear in General (plain language) and Details (structured XML) tabs when you select an event.
The General tab is what you read first; the Details tab is where you copy XML‑level fields, exception codes, module names, or provider data for more technical troubleshooting.

Understanding the main log categories​

  • Application — user‑mode applications and services that write to the Windows Event Log API. Common place to find application crashes (Event ID 1000) and Windows Error Reporting entries (Event ID 1001).
  • System — OS components, device drivers and service control manager entries. Boot and hardware issues are here; Kernel‑Power events (Event ID 41) and service start/stop failures are commonly diagnosed in this log.
  • Security — audit records (logons, privilege use) recorded when auditing is enabled; write access is restricted and audited entries are controlled by system policy.
  • Setup & Forwarded Events — setup logs for installs and forwarded events from remote machines, respectively.
  • Applications and Services Logs — component‑level logs (ETW providers) such as Microsoft‑Windows‑Diagnostics‑Performance/Operational (boot/boot‑performance events), or specialized providers for Defender, IIS, etc. Add these to custom views when troubleshooting a subsystem.

Step‑by‑step: filter logs to find what matters​

Filtering is the single most effective way to reduce noise and find actionable events.
  • In the left pane, select the log you want (e.g., Windows Logs → System).
  • In the right Actions pane, click Filter Current Log….
  • In the filter dialog, set:
  • Time range (Logged): last hour, 24 hours, or a custom window.
  • Event level: check Error and Critical (optionally Warning).
  • Event IDs: list specific IDs separated by commas (e.g., 41,1074,6005,6006,6008 for shutdown/restart investigation).
  • Keywords, User, and Computer if you need to narrow by source.
Apply the filter to immediately reduce thousands of entries to the set that matters for your incident window.

Interpreting common and high‑value Event IDs​

Event IDs are shorthand keys to researchable behavior. Memorize a few that appear repeatedly in troubleshooting:
  • Event ID 1000 (Application Error) — application crash entries often show Faulting application, Faulting module and Exception code. Use the Faulting module to identify whether a third‑party DLL or driver is implicated.
  • Event ID 1001 (Windows Error Reporting) — often appears after 1000 with additional bucket or fault metadata.
  • Event ID 1002 (Application Hang) — flagged when an app stops responding.
  • Event ID 7000 / 7001 / 7009 / 7011 / 7031 / 7034 — Service Control Manager errors for services that failed to start, timed out, or terminated unexpectedly.
  • Event ID 1074 — shutdown or restart initiated by a user or process, includes who/what initiated the action and optional reason text.
  • Event ID 6005 / 6006 — Event Log service started/stopped; useful as boot/shutdown markers.
  • Event ID 6008 / 41 (Kernel‑Power) — unexpected or unclean shutdowns; Event ID 41 indicates a reboot without a clean shutdown and must be investigated for power loss, driver crashes, or hardware faults. Microsoft documents the kernel‑power 41 behavior and cautions that the event often contains insufficient detail by itself.
When you find an ID, search Microsoft’s documentation and vendor support pages for that specific ID — it speeds diagnosis and yields targeted remediation steps.

Save, export, and clear logs — best practices​

  • Save a log for sharing: right‑click the log or custom view → Save All Events As… → choose .evtx to preserve original metadata, or export to .txt/.csv for spreadsheets. .evtx is the recommended forensic format if you’ll hand logs to support.
  • Clear logs when appropriate: right‑click a log → Clear Log…. You can save before clearing. Clearing can help isolate new events but is not required for normal operation. Be cautious in enterprise settings — clearing logs removes historical evidence.
  • Command‑line export/clear (wevtutil): wevtutil epl Application C:\Logs\AppLog.evtx to export, wevtutil cl Application to clear. wevtutil is available even in recovery scenarios and is documented by Microsoft.

PowerShell and command‑line: automation and scripting​

For repeatable diagnostics or multi‑machine collection, use PowerShell and prefer Get‑WinEvent:
  • Get‑WinEvent is the modern cmdlet that reads classic and newer event channels, supports structured filter hashtables, and avoids translation problems present in Get‑EventLog. Use it for automation and remote queries.
Examples:
  • Show recent System shutdown/restart events:
  • Get-WinEvent -FilterHashtable @{LogName='System'; ID=41,1074,6005,6006,6008} -MaxEvents 50
  • Export to CSV for analysis:
  • Get-WinEvent -LogName Application -MaxEvents 200 | Export-Csv C:\Logs\AppEvents.csv -NoTypeInformation
Wevtutil remains a robust fallback in constrained environments. Example:
  • Query last 20 System events in text:
  • wevtutil qe System /q:"*" /f:text /c:20

Advanced tools and workflows​

Beyond Event Viewer and PowerShell, several specialist tools accelerate diagnosis:
  • Reliability Monitor (perfmon /rel) — a quick visual timeline of crashes and hangs with links into Event Viewer; useful for an initial sweep.
  • Process Monitor (Procmon) — Sysinternals tool for real‑time I/O, registry and process events; pair Procmon traces with Event Viewer timestamps when a crash requires low‑level trace evidence. Use strict filters to avoid enormous trace files.
  • NirSoft utilities (LastActivityView, FullEventLogView) — portable and convenient for timelines and CSV exports; verify downloads and checksums because AV engines sometimes flag them as suspicious.
  • Microsoft Log Parser — treats logs like a database; useful for SQL‑style extraction and correlation.
Choose the right tool for the scale and sensitivity of your task: Event Viewer for on‑box inspection, PowerShell for automation, Procmon for live forensic tracing.

Practical troubleshooting workflows (step‑by‑step)​

Scenario A — Application crashes on launch​

  • Open Event Viewer → Windows Logs → Application.
  • Filter for Error level within the last 12–24 hours and look for Event ID 1000 or 1002.
  • Select the top error and read the General tab: note Faulting application, Faulting module, Exception code.
  • If the Faulting module looks like a third‑party DLL or driver, update or remove the offending component, then reproduce.
  • If Event Viewer lacks actionable detail, run Procmon with filters for the target executable, reproduce the crash, then stop the trace and correlate timestamps.

Scenario B — Unexpected restarts or shutdowns​

  • Open Windows Logs → System and filter for IDs 41,6008,1074,6005,6006. This sequence helps distinguish clean shutdown (1074→6006) from crashes or power loss (41 or 6008).
  • For Event ID 41, consult Microsoft’s troubleshooting guidance — the event indicates an unclean shutdown but often requires correlation with dump files, reliability history, or hardware tests.
  • If hardware is suspected, collect minidumps (if present) and run hardware diagnostics; if a driver is indicated, roll back or update the driver.

Tips for effective event log analysis​

  • Start with Errors and Warnings. Prioritize these levels; informational entries rarely solve acute problems.
  • Use Event IDs for focused research. Search Microsoft Docs and vendor knowledge bases for the ID and the typical fixes.
  • Correlate across logs. Look at Application, System, and Diagnostics‑Performance logs together — a boot‑performance entry can correlate with a service failure in System.
  • Create Custom Views. Save reusable filters (Error/Critical across Application + System with an Event ID set) to speed repeat diagnostics.
  • Preserve .evtx exports when sending logs to vendor support — they preserve metadata and avoid transcription errors.

Security, privacy, and operational risks​

  • Event logs can contain sensitive data — usernames, process names, and file paths. Treat exported logs as sensitive artifacts and protect them accordingly. Limiting log access and encrypting archives is best practice.
  • Third‑party utilities that access deep OS traces (NirSoft tools, Procmon) may trigger endpoint protection alerts. Verify checksums and coordinate with security teams before running tools in corporate environments.
  • Clearing logs removes historical evidence. In regulated or forensic contexts, avoid clearing and instead archive .evtx files.
  • Event logs are comprehensive but not omniscient: not all applications write useful events and short‑lived process activity may not be captured unless additional auditing or continuous monitoring is enabled. Do not assume completeness; combine logs with Reliability Monitor, Procmon traces or SIEM/EDR telemetry for higher fidelity.

When to escalate beyond Event Viewer​

Event Viewer gives you the what and some of the where, but not always the full why. Escalate when:
  • Event IDs indicate kernel crashes or memory corruption (review minidumps and consider memory/driver/hardware testing).
  • Multiple machines show correlated failures — centralize logs via Windows Event Forwarding or a SIEM for pattern detection.
  • Event channels themselves are corrupted or missing (wevtutil and registry cleanup may be required; be careful — registry edits can be destructive).

Quick reference: essential commands and filters​

  • Launch Event Viewer GUI: eventvwr.msc.
  • Export log (wevtutil): wevtutil epl Application C:\Logs\AppLog.evtx.
  • Clear log (wevtutil): wevtutil cl Application.
  • Get recent System shutdown events (PowerShell): Get-WinEvent -FilterHashtable @{LogName='System'; ID=41,1074,6005,6006,6008} -MaxEvents 50.
  • Export events to CSV (PowerShell): Get-WinEvent -LogName Application -MaxEvents 200 | Export-Csv C:\Logs\AppEvents.csv -NoTypeInformation.

Critical analysis — strengths and limitations​

Event Viewer’s greatest strength is its centralization and structure: Microsoft’s Event Log framework offers timestamped, provider‑identified entries that are both human‑readable and scriptable. The combination of the GUI for ad‑hoc inspection and PowerShell/wevtutil for automation means the same investigative flows scale from a single laptop to hundreds of servers.
However, there are real limitations and risks to be aware of:
  • Incomplete coverage. Not every program logs events, and normal user actions (like opening and closing short‑lived processes) can be invisible unless you enable additional auditing or continuous telemetry. This is a structural limitation, not a bug.
  • Forensic gaps. Some kernel or hardware failures produce only a Kernel‑Power 41 entry with little actionable detail. Those cases require dump analysis, hardware testing or vendor support. Microsoft’s guidance specifically notes that Event ID 41 often lacks sufficient detail on its own.
  • Operational risk with third‑party tools. Useful portable tools are sometimes flagged by AV solutions; use checksums and corporate approval when in managed environments.
  • Potentially disruptive actions. Clearing logs, editing event provider registry keys, or deleting cached .evtx files can remove crucial evidence or destabilize subscriptions. Always export logs before destructive actions and perform registry changes with full backups.
Where the MSPowerUser guide and practical community content excel is in presenting a concise, actionable set of steps for typical scenarios — opening Event Viewer, filtering by level and Event ID, and using Get‑WinEvent for automation — but readers should apply care before clearing logs or making registry changes.

Final checklist: a quick "triage" playbook​

  • Note the exact problem time and user action.
  • Open Event Viewer → choose Application/System and filter Error/Critical for the relevant timeframe.
  • Identify Event IDs and providers; research the IDs on Microsoft Docs and vendor pages.
  • Export .evtx before making changes; create a Custom View for repeated issues.
  • Use Get‑WinEvent or wevtutil for automation or bulk collection.
  • If events point to drivers/hardware, collect dump files and run diagnostics; if they point to services, reproduce with clean boot and service isolation.
Event logs are the single best starting point for Windows troubleshooting. With a few focused searches by Event ID, a small set of PowerShell commands, and the right follow‑up tools (Reliability Monitor, Procmon, dump analysis), most stability, startup and application issues become solvable rather than mysterious. Use the steps and cautions above to check event logs in Windows 10 efficiently, protect sensitive data when sharing logs, and escalate with preserved .evtx exports when vendor assistance is required.

Source: MSPoweruser How To Check Event Logs In Windows 10: A Step-by-Step Guide
 

Windows 10 records a running, timestamped account of nearly everything the OS, drivers, services and many applications do — and the built‑in Event Viewer plus command‑line utilities give you the keys to read, filter, export and act on that data when troubleshooting or auditing a machine.

Monitor displaying Windows Event Viewer logs with errors and XML event data.Background / Overview​

Event logging is a long‑established Windows subsystem that collects messages from providers (Microsoft components, drivers and applications that choose to write to the log) and stores them in structured channels such as Windows Logs and Applications and Services Logs. Each record has a timestamp, a provider/source, an event ID, a severity level (Information, Warning, Error, Critical) and a message or XML payload that can include stack traces, faulting module names or bugcheck data. This structure makes the Event Log the first, best place to start when investigating crashes, unexpected restarts, application failures or security events.
Microsoft supplies both a graphical console — Event Viewer (eventvwr.msc) — and command‑line tools including PowerShell cmdlets (Get‑WinEvent / Get‑EventLog) and wevtutil for scripting, export and recovery scenarios. These tools complement each other: Event Viewer is fast for ad‑hoc human inspection; PowerShell/wevtutil are essential for automation, remote collection and bulk analysis.

How to open Event Viewer (quick methods)​

There are several reliable ways to open the console on Windows 10:
  • Press Start, type “Event Viewer” and press Enter.
  • Press Windows + R, type eventvwr.msc and press Enter.
  • Press Windows + X and select Event Viewer (or open Computer Management → System Tools → Event Viewer).
Event Viewer is an MMC snap‑in; if you see MMC errors when using Custom Views or filters, Microsoft’s support pages document known issues and fixes for affected builds — useful to consult before assuming the tool itself is at fault.

Navigating the Event Viewer UI​

When Event Viewer opens you’ll see a three‑pane layout:
  • Left (Navigation): Tree of log channels — Windows Logs (Application, Security, Setup, System, Forwarded Events) and Applications and Services Logs for component-level providers.
  • Middle (Event list): Chronological events for the selected channel; columns include Date/Time, Source, Event ID, Task Category and Level.
  • Right / Lower (Details & Actions): Event properties under General (human readable) and Details (XML) tabs; actions such as Filter Current Log…, Save All Events As…, and Clear Log….
Key UI tips:
  • Use the General tab for quick context; use Details → XML for copyable, precise fields (useful when filing bug reports or scripting).
  • Create Custom Views for recurring triage (e.g., a view that shows Application and System errors only).

Understanding log categories and high‑value Event IDs​

Windows organizes logs so troubleshooters can focus quickly:
  • Application: Application errors and crashes (common IDs: 1000, 1001, 1002).
  • System: OS components, drivers and service control manager entries (common IDs: 41, 1074, 6005, 6006, 6008).
  • Security: Auditing events (requires auditing to be enabled; write access is restricted).
  • Setup / Forwarded Events / Applications and Services Logs: Installer/setup events, events forwarded from other machines, and component‑specific channels (Diagnostics‑Performance, Defender, IIS, etc.).
High‑value Event IDs to remember:
  • Event ID 1000 (Application Error): Faulting application and faulting module information; a frequent starting point for app crash investigation.
  • Event ID 1001 (Windows Error Reporting): Often follows 1000 with bucket IDs and crash metadata.
  • Event ID 41 (Kernel‑Power): Logged when the system restarted without a clean shutdown — common for power loss or bugchecks but often lacking sufficient detail on its own; Microsoft explicitly notes that Event ID 41 frequently requires additional evidence (dump files, correlated events) to diagnose.
  • Event ID 1074 / 6005 / 6006 / 6008: Useful for reconstructing shutdown and boot sequences (1074 indicates an initiated shutdown/restart; 6005/6006 are Event Log service started/stopped; 6008 flags an unexpected shutdown).
  • Service‑related IDs: 7000/7001/7009 etc. identify service start/timeout/termination issues.
Cross‑reference Event ID text with Microsoft documentation and vendor KBs when an ID implicates a third‑party driver or product; many Event IDs have published guidance.

Filtering and searching: reduce noise, find the root cause​

Filtering is the most effective single technique for triage.
  • Right‑click a log (e.g., System) → Filter Current Log….
  • Useful filters:
  • Logged (time window): last hour / last 24 hours / custom range.
  • Event Level: Error, Warning, Critical.
  • Event IDs: comma‑separated (e.g., 41,1074,6008).
  • Provider / User / Computer / Keywords.
Create Custom Views (right‑click Custom Views → Create Custom View) to save filters that matter for regular troubleshooting — for example, “App Crashes & Startup Errors.” Custom Views are portable as XML and can be loaded elsewhere or converted into PowerShell queries.

Interpreting event details: General vs Details (XML)​

When you select an event:
  • The General tab gives a plain‑language summary (good for quick triage and for support tickets).
  • The Details (XML) tab exposes structured fields (EventData elements, bugcheck parameters, module paths) that are essential when:
  • Identifying a faulting module (DLL or driver).
  • Copying exact Event ID + Provider to search vendor KBs.
  • Feeding data into scripts or SIEM ingestion routines.
Be cautious interpreting a single event in isolation — correlate timestamps, user actions, Reliability Monitor entries and crash dumps where available. Event Viewer shows what was recorded, not always why it happened.

Exporting and sharing logs: preserving context​

For escalation or forensic work, export logs rather than transcribing individual messages:
  • In Event Viewer: select a log or custom view → Save All Events As… → choose .evtx (preserves original metadata and structure), or .csv/.txt for spreadsheets.
  • From the command line: use wevtutil to export an .evtx, or use PowerShell to export CSV:
    wevtutil example:
    wevtutil epl Application C:\Logs\AppLog.evtx
    PowerShell example:
    Get-WinEvent -LogName Application -MaxEvents 200 | Export-Csv C:\Logs\AppEvents.csv -NoTypeInformation
    Wevtutil and Get‑WinEvent support structured queries to limit exports to specific Event IDs or provider names.
Exporting as .evtx is strongly recommended when you plan to import the log elsewhere (another Event Viewer instance or a support engineer), because .evtx preserves provider GUIDs, original timestamps and full XML payloads.

Clearing logs: safe practices and warnings​

Clearing event logs is allowed and supported, but it is a destructive action if you don’t back up first.
  • The UI offers Clear Log… and prompts to save before clearing.
  • wevtutil supports clearing with optional backup via /bu. Example:
    wevtutil cl Application
    or to back up:
    wevtutil cl Application /bu:C:\Logs\AppLogBackup.evtx
  • Microsoft documents and wevtutil’s help make clear you can clear logs, but you should always export (.evtx) first if logs are needed for later analysis or compliance. Clearing to reduce disk usage is normally unnecessary unless logs have been configured to infinite retention; check log size settings first.
Caution: clearing provider registry keys, manually deleting .evtx files in C:\Windows\System32\winevt\Logs or editing the event subsystem in the registry can break subscriptions or lose forensic evidence — avoid destructive operations without backups and a documented rollback.

Command‑line and automation: Get‑WinEvent, Get‑EventLog, and wevtutil​

Power users and administrators rely on the command line for repeatable diagnostics and remote collection.
  • Get‑WinEvent (PowerShell): modern, fast, supports structured filters and modern Event Log channels. Preferred for Windows 10/11 scripting. Example:
    Get-WinEvent -FilterHashtable @{LogName='System'; ID=41,1074,6008} -MaxEvents 50
    Use this for cross‑machine diagnostics (Invoke‑Command or CIM sessions).
  • Get‑EventLog: older, works for classic logs but lacks full channel support; avoid for modern scenarios.
  • wevtutil: native command‑line utility for export, clear, query and manifest management. Useful in recovery consoles or scripts where PowerShell may be unavailable. See wevtutil syntax for commands like epl (export‑log) and cl (clear‑log).
Pro tips:
  • Use structured queries or FilterHashtable in Get‑WinEvent to keep queries efficient on large logs.
  • Export to CSV for quick pivoting in Excel; export to .evtx for forensics or cross‑import.

Remote collection and enterprise workflows​

For multiple machines or fleet monitoring:
  • Windows Event Forwarding (WEF) allows centralized collection to a collector server (Forwarded Events channel). This integrates well with SIEMs or log aggregation solutions.
  • Use PowerShell + Invoke‑Command or CIM sessions to run Get‑WinEvent across many hosts and centralize CSV exports.
  • For enterprise scale, ingest .evtx exports into a SIEM (Elastic, Splunk, Azure Sentinel) or use management tools that consume Windows events.
When collecting logs from users for support, instruct them to:
  • Note the exact local time (and timezone) when the problem occurred.
  • Reproduce the issue if possible and immediately export the affected logs in .evtx format.
  • Avoid clearing logs until the diagnosis is complete.

Troubleshooting common scenarios (practical examples)​

Unexpected reboot / kernel power​

  • Symptom: sudden reboot; Event Viewer shows Kernel‑Power 41.
  • Action:
  • Gather Event ID 41 entry and any preceding System/Application errors within the same timeframe.
  • Check for bugcheck codes in the EventData (if present); collect minidump files from C:\Windows\Minidump for full analysis.
  • Test hardware (power supply, temperature, RAM) if bugcheck codes or symptoms suggest hardware instability. Microsoft notes Event ID 41 often lacks enough detail by itself and should be correlated with additional artifacts.

Application crash​

  • Symptom: program closes unexpectedly; Application log shows Event ID 1000.
  • Action:
  • Inspect the Faulting module and Exception code in the event XML.
  • Update/rollback the implicated module or vendor driver; if it’s a third‑party DLL, search the vendor KB with Event ID + module name.
  • Reproduce the crash with a clean boot if necessary to isolate third‑party interactions.

Service failing to start​

  • Symptom: Service Control Manager (SCM) errors 7000/7001/7009/7031.
  • Action:
  • Note service name and failure code in the event.
  • Check service dependencies and permissions; run service executable manually to capture additional stdout/stderr.
  • If timeouts occur (7009), increase service timeout or troubleshoot long‑running initialization steps.

Best practices and triage checklist​

  • Prioritize Errors and Criticals first; then Warnings for patterns.
  • Correlate timestamps across System/Application logs and Reliability Monitor.
  • Export .evtx before clearing logs or making system changes.
  • Create Custom Views for recurring diagnostics to save time.
  • Automate regular exports with Get‑WinEvent in scheduled tasks or log collectors for machines that require ongoing monitoring.
  • Protect sensitive data when sharing logs — events can contain file paths, usernames or other context you may want to redact.
Step‑by‑step quick triage (ranked):
  • Identify the exact time window of the failure.
  • Open Event Viewer → System and Application logs → filter to Error/Critical within the time window.
  • Record Event IDs and Providers; export matching events to .evtx.
  • Search vendor and Microsoft docs for the Event ID + provider.
  • If hardware is suspected, collect minidumps and run hardware diagnostics; escalate with the .evtx and dumps attached.

Limitations, risks and things the Event Log won't show​

  • The Event Log contains only events that applications and Windows choose to write. Not every process or short‑lived activity is recorded; auditing levels and provider behavior determine coverage.
  • Some kernel or hardware failures will only produce a terse Kernel‑Power 41 entry without actionable details — dump analysis and hardware tests are then required. Microsoft explicitly warns that Event ID 41 may be insufficient alone.
  • Clearing logs, manual deletion of .evtx files, or editing WINEVT registry keys can destroy evidence or disrupt subscriptions — always backup first.
  • Third‑party log readers and portable forensic tools are convenient but can be flagged by AV; verify file integrity and use approved tools in managed environments.
Where claims are hard to verify: statements like “clearing logs will noticeably improve system performance” are context dependent and not universally true — Event Logs are typically small compared to modern disk sizes and performance gains from clearing them are negligible unless logs are misconfigured to extremely large retention sizes. Treat such performance claims with caution and verify log configuration first.

Conclusion​

Event Viewer and Windows’ event subsystem are essential troubleshooting tools — they tell you what Windows recorded and provide the clues that point to the next steps: driver updates, configuration changes, dumps for crash analysis, or hardware testing. Use the GUI for fast, visual triage; use Get‑WinEvent and wevtutil for automation, export and recovery; and always export (.evtx) before clearing or performing destructive actions. The practical workflows described here combine the concise how‑to steps from the MSPowerUser guide with Microsoft’s documentation and common enterprise practices so you can find, preserve and act on the event evidence that matters.


Source: MSPoweruser How To Check Event Logs In Windows 10: A Step-by-Step Guide
 

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