
How to Fix Windows Defender 504 Gateway Timeout
If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...
Software troubleshooting desk

If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...

You open Windows Security and see a warning about a DNS error, or Windows Defender cannot update ...

If you're running a local development server or an internal application with a self-signed or pri...

If you've set up a scheduled task that runs a script or program requiring network access, you mig...

When a scheduled task fails with error 0x80070005 and the message "Access Denied", i...

You open Windows Security and see nothing but a white screen. The app appears to load but no cont...