Bug
In-depth diagnostics, workarounds, and permanent fixes for common system and software bugs affecting Windows and M365 environments.
All Articles
2 articles • Page 1
Microsoft
Defender XDR Portal Outage Blocks Security Alerts
Microsoft Defender XDR experienced a widespread service disruption on December 2, 2025, affecting enterprise security teams' ability to access threat-hunting capabilities and device monitoring dashboards.
Windows 11 24H2 Critical Bug: Start Menu and Taskbar Become Unusable After Update
A serious Windows 11 24H2 bug is rendering the Start Menu and Taskbar completely unresponsive after system startup. Here’s what’s happening, how to fix it, and what Microsoft says about it.