windows defender

Defender is present in the taskbar and system tray, and Task Manager says it's running, but when I click on it on the taskbar, it doesn't maximize. I've also tried cycling through windows using Task View, which also shows it's open, but, again, clicking on it does not bring it up like a normal...

Windows’ built‑in protection is usually a silent, helpful bodyguard — but when Microsoft Defender (Windows Security) quarantines or removes a file you know is safe, it can suddenly become a workflow blocker. This guide explains why Defender removes files, how to safely prevent automatic...

Microsoft’s Security Response Center has cataloged CVE-2025-54915 as an elevation-of-privilege vulnerability in the Windows Defender Firewall Service described as “Access of resource using incompatible type (‘type confusion’),” and the vendor advises that an authorized local attacker could...

Windows Security failing to open is a deceptively common problem that can leave a PC exposed and users unnerved — yet in almost every case the root causes and remedies are resolvable without a full reinstall. Symptoms range from a completely unresponsive Windows Security app to a blank or...

Microsoft’s messaging around the Windows 10 Creators Update has been clearer than some secondary reports suggest: the update (version 1703, build 15063) was scheduled for a phased public rollout beginning April 11, 2017, with manual install options opening a few days earlier — and not on April 4...

Title: CVE-2025-53131 — What Windows admins need to know about the new Windows Media RCE (heap-based buffer overflow) Summary (TL;DR) CVE-2025-53131 is a heap-based buffer overflow in Windows Media components that can allow remote, unauthenticated attackers to execute arbitrary code over a...

Security software is supposed to defend your PC — but when it’s outdated, duplicated, or packed with extras, it can quietly turn into the single biggest cause of a “slow but not ancient” Windows machine. Background Modern antivirus products have evolved far beyond a single malware scanner. What...

Windows 11 continues to evolve at a rapid pace, and the release of Insider Preview Build 26120.4741 to the Beta Channel marks yet another important step in Microsoft’s ambitious roadmap for its flagship operating system. For IT professionals, power users, and Windows enthusiasts, every new...

Few users realize how much untapped potential lies within Windows 11’s security architecture until an unexpected breach—or worse, ransomware—forces their hand. Out of the box, Microsoft’s latest operating system boasts a robust security baseline: firewalls block unauthorized traffic, Microsoft...

Windows operating systems have evolved far beyond their original form, growing into sophisticated ecosystems that balance usability, performance, and a robust set of built-in security features. However, while many users obsess over their antivirus subscriptions or install a dizzying array of...

Improper link resolution before file access, often referred to as "link following," represents a recurring and serious class of vulnerabilities in modern software, and with the disclosure of CVE-2025-49738 in Microsoft PC Manager, this long-standing issue has found a new foothold in a widely...

A critical security vulnerability, identified as CVE-2025-48821, has been discovered in the Windows Universal Plug and Play (UPnP) Device Host service. This flaw allows an authorized attacker on the same network to elevate their privileges, potentially gaining control over affected systems...

As Windows 10 approaches its official end-of-support, the stakes for businesses, institutions, and everyday users could not be higher. Microsoft’s decision to end mainstream support for one of its most popular operating systems on October 14, 2025, has triggered a wave of concern, planning, and...

When the news first broke that Windows 10 would officially reach its end of support on October 14, 2025, the resounding concern among millions of users worldwide echoed a now-familiar refrain: what happens next? Microsoft’s latest announcement, detailed in BleepingComputer and confirmed by...

The landscape of enterprise security is continually shaped by the challenge of maintaining trust in a rapidly evolving certificate ecosystem. As Windows environments become even more integral to critical business operations, Microsoft’s Application Control for Business—previously known as...

For anyone who uses a Windows PC, concerns about malware infections are never too far away. Despite advances in built-in security like Windows Defender, an alarming number of threats still manage to slip through, targeting both casual and power users. Keeping your device secure doesn't have to...

When it comes to protecting Windows PCs, few areas are more surrounded by myth, misconception, and outdated advice than antivirus software. For decades, security-focused users swapped stories of malware outbreaks, slowdowns caused by bloated security suites, and the secret tricks they swore...

In the constantly evolving world of cybersecurity, few built-in tools in Microsoft Windows have persisted as quietly yet as critically as the Attachment Manager. Unknown to many average users, this behind-the-scenes component plays a pivotal role in safeguarding individual PCs and enterprise...

The latest evolution of Windows support for Application Control for Business introduces a significant and controversial overhaul: a new Certificate Authority (CA) handling logic designed to bolster software trust and compliance in modern enterprise environments. Users and administrators who rely...

Microsoft's Application Control for Business (ACfB), formerly known as Windows Defender Application Control (WDAC), has introduced a significant enhancement in its certificate authority (CA) handling logic. This update aims to bolster security by refining how digital certificates are managed...