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

Fix Chrome Port Already Allocated Error (ERR_UNSAFE_PORT)

When Chrome displays an error like ERR_UNSAFE_PORT or a message that a port is alrea...

Fix 'File Locked by Unknown Process' in Command Prompt

You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...

Fix Windows Security High Memory Usage

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...

Fix Chrome Profile Port Already Allocated Error

How to Set Up Microsoft Store for a New User on Windows 11

When you create a new user account on Windows 11, the Microsoft Store may not work immediately. Y...

Fix Microsoft Teams DNS Error 0xcaa20002

When launching Microsoft Teams, you may encounter error code 0xcaa20002, typically accompanied by...