
Fix Windows Security Error 0x80073b01: Step-by-Step Guide
You try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...
Software troubleshooting desk

You try to open the Windows Security app and get error code 0x80073b01. The app may crash or refu...

You might see SSL certificate errors in your browser or applications even when the certificate is...

You open Windows Security and see 'Invalid configuration. Permission denied.' This usually means ...

When you try to run Set-ExecutionPolicy in PowerShell and get a 'permission denied' ...

You might see a 'permission denied' error when Windows Security (Windows Defender) fails to start...

When you see "port already allocated" in Windows security logs or during service startup, it mean...