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

How to Fix Command Prompt Run as Administrator Not Working

You right-click Command Prompt and select 'Run as administrator', but nothing happens, or it open...

Windows Defender Not Working on Ubuntu: What to Check

Windows Defender is a Microsoft product designed for Windows. If you're seeing it referenced on U...

Fix 'Permission Denied' When Opening System32 in Command Prompt

Fix Windows Activation Module Missing Error

You see a message that the Windows activation module is missing or not found, often when trying t...

Fix Microsoft Store Error 0x80073cf3 After Update

If you see error 0x80073cf3 when opening the Microsoft Store after a Windows update, the store ap...

Fix 504 Gateway Timeout in Command Prompt

If you see a 504 Gateway Timeout error, it usually means a server upstream (like a proxy or gatew...