
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...

Windows Defender (now Microsoft Defender Antivirus) is the built-in security solution for Windows...

If you search for files or emails in Windows and get no results or see an error that the indexing...

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

You try to restore your Microsoft Store apps, and halfway through you see error code 0x80073cf6. ...