
Fix BitLocker Authentication Failed with TPM Not Working
If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...

You open PowerShell, see a login prompt, and then it loops—repeatedly asking for credentials or r...

You see an error that says something like "Windows Update module not found" or "Configuration fai...

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

When you try to run a scheduled task in Windows Task Scheduler, you might see an error like "The ...

If Windows Defender shows “Loading Group Policy Configuration” and never finishes, the security c...