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

Windows Defender and Ubuntu: Troubleshooting Checklist

If you're running Ubuntu through WSL or in a dual-boot configuration, Windows Defender can someti...

How to Fix Command Prompt High CPU and Memory Usage

You open Task Manager and see Command Prompt (cmd.exe) consuming a large percentage of CPU or a l...

Fix Chrome Tunnel Connection Failed: Network Config Guide

When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...

Fix Windows Update High Memory Usage Error 0x800f0922

You try to install a Windows update, but it fails with error 0x800f0922 and your system slows to ...

How to Fix Chrome 404 Not Found Error (6 Steps)

You're browsing and suddenly see "404 Not Found" in Chrome. The page won't load. This error means...

Fix nvm not working in CMD or PowerShell on Windows