windows 11
New Windows RasMan zero-day flaw gets free, unofficial patches
Free unofficial patches are available for a new Windows zero-day vulnerability that allows attackers to crash the Remote Access Connection Manager (RasMan) service. RasMan is a critical Windows system service that starts automatically, runs in the background with SYSTEM-level privileges, and manages VPN, Point-to-Point Protocol over Ethernet (PPoE), and other remote network connections. ACROS Security […]
Microsoft fixes Windows Explorer white flashes in dark mode
Microsoft has fixed a known issue that caused bright white flashes when launching File Explorer in dark mode on Windows 11 systems after installing the KB5070311 optional update. The bug was also triggered when creating a new tab, selecting ‘More details’ while copying files, toggling the Details pane on or off, or navigating to or […]
Windows 11 KB5072033 & KB5071417 cumulative updates released
Microsoft has released Windows 11 KB5072033 and KB5071417 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. Today’s updates are mandatory as they contain the December 2025 Patch Tuesday security patches for vulnerabilities discovered in previous months. You can install today’s update by going to Start > Settings > Windows Update and clicking on ‘Check for Updates.’ You can also manually […]
Microsoft: KB5070311 triggers File Explorer white flash in dark mode
Microsoft has confirmed that the KB5070311 preview update is triggering bright white flashes when launching the File Explorer in dark mode on Windows 11 systems. “After installing KB5070311, you might experience issues when opening File Explorer in dark mode. The window might briefly display a blank white screen before loading files and folders,” Microsoft says in a […]
Windows 11 KB5070311 update fixes File Explorer freezes, search issues
Microsoft has released the KB5070311 preview cumulative update for Windows 11 systems, which includes 49 changes, including fixes for File Explorer freezes and search issues. KB5070311 is an optional preview update that delivers updates at the end of each month, enabling IT admins to test Windows bug fixes, improvements, and new features that will roll out during next […]
Microsoft: Windows updates make password login option invisible
Microsoft warned users that Windows 11 updates released since August may cause the password sign-in option to disappear from the lock screen options, even though the button remains functional. On Windows 11, the password icon appears only if multiple sign-in options (e.g., PIN, security key, password, fingerprint) are available. If you only use a password, […]
Microsoft: Security keys may prompt for PIN after recent updates
Microsoft warned users on Tuesday that FIDO2 security keys may prompt them to enter a PIN when signing in after installing Windows updates released since the September 2025 preview update. This behavior can be observed on devices running Windows 11 version 24H2 or 25H2 when an identity provider requests user verification during authentication. Microsoft says […]
Microsoft tests File Explorer preloading for faster performance
Microsoft is testing a new optional feature that preloads File Explorer in the background to improve launch times and performance on Windows 11 systems. According to Microsoft, the app will load automatically once the feature is toggled on without visible changes to users, who should only notice faster File Explorer launches when accessing files and […]
Microsoft: Windows 11 24H2 bug crashes Explorer and Start Menu
Microsoft has confirmed a critical Windows 11 24H2 bug that causes the File Explorer, the Start Menu, and other key system components to crash when provisioning systems with cumulative updates released since July 2025. This bug will be triggered on “first time user logon after a cumulative update was applied” and on all logins for those using non-persistent operating […]
Nvidia confirms October Windows updates cause gaming issues
Nvidia has confirmed that last month’s security updates are causing gaming performance issues on Windows 11 24H2 and Windows 11 25H2 systems. To address these problems, the American technology company released the GeForce Hotfix Display Driver version 581.94. “Lower performance may be observed in some games after updating to Windows 11 October 2025 KB5066835 [5561605],” Nvidia said in […]