Knowledge base for software setup, errors, and daily tool work.

Remote Desktop File Locked by Unknown User: How to Fix

When you try to open or edit a file over a Remote Desktop (RDP) connection and see the message th...

Fix 404 Not Found Error When Using curl in cmd

You run a curl command in Windows Command Prompt and get a 404 Not Found response. T...

Windows Update Token Expired: Admin Checklist

When Windows Update fails with a token expired error, administrators often see messages like "0x8...

Fix Windows Security Service Stopped Working in Windows 10

If you see a notification that the Windows Security service has stopped working, your antivirus o...

How to Fix Abnormal Memory Usage in CMD on Windows

Fix OBS Black Screen with No Source Detected

If you're seeing a black screen in OBS and the message 'No source detected,' you're not alone. Th...