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

How to Fix Windows Terminal 404 Error on Open

You click Windows Terminal and nothing happens, or you see a 404 error message. This usually mean...

How to Fix Command Prompt Port Already Allocated Error

When you run a command that tries to bind to a specific port and see an error like 'port already ...

Fix 'Flush DNS Permission Denied' Error in CMD

When you run ipconfig /flushdns in Command Prompt and see 'Access Denied' or 'Permis...

How to Fix Microsoft Store Error 0x80073cf0

You open Microsoft Store to download or update an app, and instead get error code 0x80073cf0. Thi...

How to Fix a File Locked by Windows Security in Windows 10

You try to open or run a file, and Windows Security blocks it with a message like "Windows protec...

Fix 'ffmpeg command not found' in PHP exec()