Microsoft says it's normal if Windows 11 restarts two or three times after recent or upcoming updates. Here's what you should ...

This has never happened before. Microsoft is expiring the authentication that protects Windows PCs from threats each time they restart. Secure Boot certificates on almost all Windows PCs date back to ...

Microsoft's old Secure Boot certificates expire mid-year. The Windows Security app displays the update status.

In the past, Microsoft has repeatedly pointed out that key security certificates in Windows 11 are due to expire as early as ...