
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 might see an error like "Windows Defender can't start because of a dependency conflict" or a ...

You install a Chrome extension, but it doesn't appear in the toolbar, or it's grayed out, or it j...

You open Outlook and see an error about a dependency conflict—maybe a missing DLL or a version mi...

You log into a system, open Command Prompt, and immediately see an error that your authentication...

If you see 'token expired' in Windows Terminal, it means the authentication token for a service (...