windows 11
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 […]
Windows 11 KB5074109 & KB5073455 cumulative updates released
Microsoft has released Windows 11 KB5074109 and KB5073455 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 January 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 […]
Microsoft rolls out hardware-accelerated BitLocker in Windows 11
Microsoft is rolling out hardware-accelerated BitLocker in Windows 11 to address growing performance and security concerns by leveraging the capabilities of system-on-a-chip and CPU. BitLocker is the native full-disk encryption feature in Windows that protects data from being readable without proper authentication. During normal device boot, it relies on the Trusted Platform Module (TPM) to securely […]
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 […]