
Fix Windows Security 'Permission Denied' Error When Settings Won't Open
You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...

You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...

You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...

When Windows Update fails with error 0x80070002, it usually means the update installer can't find...

When attempting to turn on BitLocker Drive Encryption, you may encounter error code 0x8007007e wi...

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...