
How to Fix Windows Security Not Opening After Update
After a Windows update, you might click the Windows Security icon and nothing happens, or the app...
Software troubleshooting desk

After a Windows update, you might click the Windows Security icon and nothing happens, or the app...

You open Windows Security and see an error: "Invalid configuration" or "Your IT administrator has...

If you see a "token expired" error in Chrome, it usually means the authentication token for a web...

You open Firefox and see a message that your profile is missing or can't be loaded. This usually ...

After a Chrome update, some users get stuck in a login loop—Chrome prompts you to sign in repeate...

If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...