Windows 11 25H2
Windows 11 KB5077181 & KB5075941 cumulative updates released
Microsoft has released Windows 11 KB5077181 and KB5075941 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 February 2026 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 download and install […]
Microsoft rolls out new Secure Boot certificates before June expiration
Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026. Introduced in 2011, Secure Boot ensures that only trusted bootloaders can load on computers with UEFI firmware, helping block malicious software, such as rootkits, from executing during system startup by verifying […]
Windows 11 KB5074105 update fixes boot, sign-in, and activation issues
Microsoft has released the KB5074105 preview cumulative update for Windows 11 systems, which includes 32 changes, including fixes for sign-in, boot, and activation issues. KB5074105 is an optional update that delivers updates at the end of each month, allowing admins to test Windows bug fixes, new features, and improvements that will be generally available during next month’s Patch […]
Microsoft: Windows 11 update causes Outlook freezes for POP users
Microsoft is investigating widespread reports that a January Windows 11 security update is causing the classic Outlook desktop client to freeze and hang for users with POP email accounts. POP (Post Office Protocol) is an email retrieval protocol used for downloading emails from a server to a local device. While POP isn’t as widely used […]
New Windows updates replace expiring Secure Boot certificates
Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like rootkit malware) from executing during the system startup sequence by ensuring that only trusted bootloaders can load on computers with UEFI firmware. This is done by checking the software’s digital signature […]
Microsoft: Recent Windows updates break VPN access for WSL users
Microsoft says that recent Windows 11 security updates are causing VPN networking failures for enterprise users running Windows Subsystem for Linux. This known issue affects users who installed the KB5067036 October 2025 non-security update, released October 28th, or any subsequent updates, including the KB5072033 cumulative update released during this month’s Patch Tuesday. On impacted systems, users are experiencing connectivity […]
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 […]
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, […]