
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 try to connect to a remote PC via Remote Desktop (RDP) and get a message like: "An authentica...

Windows activation error 0xc004c003 usually appears after a hardware change, reinstalling Windows...

You right-click Command Prompt, select 'Run as administrator', and still get 'access denied' when...

If you see a "504 Gateway Timeout" error in Windows Security while trying to run Windows Update, ...

When you try to open a shared calendar in Outlook and get a 'permission denied' message, it usual...