How-To Geek on MSN
Microsoft Secure Boot certificates expire June 27—here's what that means for your old PC
Most PCs should continue working fine, even if they don't receive the updated certificates.
But this Windows security feature provides a vital protection against dangerous malware—one some PCs have just lost. So what ...
Microsoft is pushing out a fix to a bigger number of affected computers, but your PC may need your help to receive them.
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