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

Fix Python Module Not Found in VS Code: Common Causes and Solutions

You open a Python file in VS Code, run it, and get ModuleNotFoundError. The module i...

Fix BitLocker DNS Error After Windows Update

After a recent Windows update, you might see a BitLocker error that mentions DNS, such as "BitLoc...

UFW Port Issues: A Practical Troubleshooting Checklist

When a service won't accept connections, UFW is often the first suspect. This checklist walks thr...

Fix Windows 10 Activation Error 0xc004f074: DNS Issues

If you see error 0xc004f074 during Windows 10 activation, it usually means the system can't reach...

Fix Windows Search 504 Gateway Timeout and Network Reset

You run a Windows search and get a 504 gateway timeout, often after a network reset or VPN change...

Fix 'nvm not found' After Adding to Environment Variables