Secure Boot certificates expire on one billion PCs next month — Microsoft's latest Windows update warns if your PC is now at risk.

And here we go again. The software giant has confirmed a new issue affecting Microsoft account sign-ins on Windows 11 after installing the March 2026 update. According to the company, devices running ...

Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). As Microsoft explained when it acknowledged ...

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 ...

Microsoft is forcing eligible Windows 11 PCs to update to 25H2. Support ends for Windows 11 24H2 in October, so you'll need 25H2. Windows 11 25H2 is stable, so there's no reason not to update. Are you ...