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

Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...

How to Fix Slow Windows Defender Scan Speed

If your Windows Defender (Microsoft Defender Antivirus) scan is taking much longer than usual—som...

Fix Microsoft Store Not Connecting to Internet

You open Microsoft Store and see a message like 'Check your internet connection' or 'Try that aga...

Command Prompt Stuck After Windows Update: How to Fix

After a recent Windows update, you may find Command Prompt hangs on a blank screen or a flashing ...

How to Fix OBS Black Screen on Mac

If you see a black screen in OBS when trying to capture your display or a specific window on Mac,...

How to Fix Git Fatal Repository Not Found Error