
Fix 'Command Prompt Authentication Failed' – Run as Administrator
When you see 'authentication failed' in Command Prompt, it usually means your current session lac...
Software troubleshooting desk

When you see 'authentication failed' in Command Prompt, it usually means your current session lac...

You see the error "Windows Security service failed to start" with code 0x80070422. This usually m...

You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...

When an administrator gets an 'access denied' error while trying to connect to a remote desktop, ...

A 502 Bad Gateway error means your server (gateway) got an invalid response from an upstream serv...

If you see fatal: unable to access 'https://...': SSL certificate problem: certificate veri...