microsoft
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 says new Outlook can’t open some Excel attachments
Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. According to a service alert (EX1189359) seen by GeekFeed, the bug has been impacting Exchange Online customers since at least November 23rd. Microsoft says it has already deployed a fix to address the […]
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 to secure Entra ID sign-ins from script injection attacks
Microsoft plans to enhance the security of the Entra ID authentication system against external script injection attacks starting in mid-to-late October 2026. This update will implement a strengthened Content Security Policy that allows script downloads only from Microsoft-trusted content delivery network domains and inline script execution only from Microsoft-trusted sources during sign-ins. After rollout, it […]
Microsoft: Exchange Online outage blocks access to Outlook mailboxes
Microsoft is investigating an Exchange Online service outage that is preventing customers from accessing their mailboxes using the classic Outlook desktop client. Microsoft first acknowledged the incident (tracked under EX1189820) at 09:57 AM UTC and, according to user reports on the DownDetector outage monitoring platform, it’s also causing server connection and login issues. “Users may be unable to […]
Microsoft is speeding up the Teams desktop client for Windows
Microsoft says it will add a new Teams call handler beginning in January 2026 to reduce launch times and boost call performance for the Windows desktop client. A new process, ms-teams_modulehost.exe, will be used after rollout to handle calling features under the primary ms-teams.exe app process, according to Microsoft. “We’re improving the performance and startup […]
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 to remove WINS support after Windows Server 2025
Microsoft has warned IT administrators to prepare for the removal of Windows Internet Name Service (WINS) from Windows Server releases starting in November 2034. The legacy WINS computer name registration and resolution service has been deprecated with the release of Windows Server 2022 in August 2021, when Microsoft stopped active development and working on new features. Windows Server 2025 […]