known issue rollback

Microsoft has confirmed that a recent Windows Update rollout produced an alarming but ultimately incorrect “end of support” banner in Settings that led some Windows 10 users — including those enrolled in Extended Security Updates (ESU) and customers running LTSC/IoT SKUs — to believe their PCs...

Microsoft’s January cumulative for Windows 11, KB5074109, intended to harden Secure Boot and fix NPU power-drain problems, has instead introduced a cluster of high-impact regressions — from intermittent black screens on GPU systems to Outlook POP freezes, Azure Virtual Desktop authentication...

Microsoft has warned that a January security rollup can leave some Windows 11 machines unable to shut down or hibernate, while other recent updates are producing client-side regressions that break Azure Virtual Desktop and remote‑session authentication—an unsettling start to Patch Tuesday for...

Microsoft’s first Patch Tuesday of 2026 has a nasty wrinkle: the January 13 cumulative update (KB5074109) introduced a client-side regression that can prevent the Windows App from completing credential prompts, blocking Azure Virtual Desktop (AVD) and Windows 365 (Cloud PC) connections for many...

Microsoft’s January cumulative update is preventing some users from connecting to Microsoft 365 Cloud PCs and Azure Virtual Desktop sessions, and Microsoft has acknowledged the regression — offering Known Issue Rollback (KIR) and temporary connection workarounds while an out‑of‑band fix is...

Microsoft has warned that a recent update branch that includes KB5019509 can cause enterprise endpoints using DirectAccess to get stuck in a perpetual “Connecting…” state after a temporary network interruption or when roaming between Wi‑Fi access points, and the company has issued mitigation...

Microsoft confirmed that the January 13, 2026 cumulative update KB5074109 introduced a regression that can break Azure Virtual Desktop (AVD) connections on some Windows clients, producing immediate authentication failures; organizations seeing this behavior should pause deployment, apply...

Microsoft has confirmed that installing the October 18, 2022 out‑of‑band update KB5019509 — and certain cumulative updates that followed — can leave enterprise endpoints unable to reconnect to DirectAccess after a temporary network interruption or when switching Wi‑Fi networks, and the company...

Microsoft’s October 2025 cumulative update wave unexpectedly pushed a measurable number of Windows 10 and Windows 11 systems into the BitLocker recovery flow, in some cases combined with a broken Windows Recovery Environment (WinRE) that prevented users from entering their 48‑digit recovery key...

Microsoft's new deep-dive on Known Issue Rollback (KIR) pulls back the curtain on a quietly powerful safety net built into Windows: a targeted, run-time mechanism that can disable a specific change introduced by an update without uninstalling the entire package — keeping devices secure while...

Microsoft's Known Issue Rollback (KIR) is the stop‑gap that lets Windows selectively "flip the switch" on a problematic change without uninstalling an entire cumulative update — a surgical mitigation that preserves security fixes while restoring functionality for affected users and enterprises...

Microsoft has pulled back the curtain on Known Issue Rollback (KIR), the behind-the-scenes mechanism that lets Windows selectively undo problematic non‑security changes delivered in updates—using runtime feature flags, Group Policy templates, and the Windows Update cloud to flip specific...

Microsoft has confirmed a Windows Update bug that caused some Windows 10 PCs enrolled in the Extended Security Updates (ESU) program to display a misleading “Your version of Windows has reached the end of support” banner — even though those systems remain entitled to and are still receiving...

Microsoft has confirmed a display bug that caused some Windows 10 PCs enrolled in the Extended Security Updates (ESU) program — and certain LTSC/IoT LTSC SKUs — to show a startling “Your version of Windows has reached the end of support” banner in Settings → Windows Update, even though those...

Microsoft has warned that an October 2025 cumulative update can force some Windows PCs into the BitLocker recovery screen, prompting enterprises to scramble for recovery keys, Known Issue Rollback (KIR) mitigations, and emergency hotfixes — an incident that exposes a fragile intersection between...

Microsoft’s update cadence for Windows 11 may be quietly shifting again: a recently surfaced Known Issue Rollback (KIR) connected to the October 2025 Windows 10 cumulative update has sparked the first apparent, semi‑official reference to a device‑targeted Windows 11 release labeled “version...

Microsoft has acknowledged a display bug that causes the Settings > Windows Update page to show a misleading banner — “Your version of Windows has reached the end of support” — after installing the October 14, 2025 cumulative update KB5066791, and it has published short‑ and mid‑term remedies...

Microsoft’s brief clarification this week — that it is not ending support for certain Windows 10 SKUs despite a prominent “Your version of Windows has reached the end of support” notification appearing in Windows Update — should calm IT teams and home users who saw the message and assumed their...

Microsoft’s October cumulative update for Windows 11 — identified as KB5066835 — was intended to harden the platform with security fixes, but it instead introduced cascading regressions that left developers, IT admins, and new Windows users scrambling. The update disabled USB input inside the...

Microsoft has issued an emergency out‑of‑band response after the October cumulative update for Windows 11 (delivered as KB5066835) produced a high‑impact regression that left USB keyboards and mice unresponsive inside the Windows Recovery Environment (WinRE), prompting a rapid remediation...