
How to Fix Windows Defender Not Opening
If Windows Defender won’t open—whether it crashes, shows a blank window, or does nothing when you...

If Windows Defender won’t open—whether it crashes, shows a blank window, or does nothing when you...

You try to sign in to OneDrive, but it fails with a network error. Often, a firewall—on your comp...

You've set up BitLocker with a TPM, and it used to unlock your drive automatically at startup. No...

If you're running BitLocker on a system without a Trusted Platform Module (TPM), you may notice h...

If you see a message that Windows Security has an invalid configuration and can't sync, the issue...

If your PC takes longer to start up than it used to, Windows Defender might be scanning too aggre...