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

Fix Windows Search Error 0x80090016: Step-by-Step Guide

If you see error 0x80090016 when using Windows Search, it usually means the search index or a rel...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Command Prompt Troubleshooting Checklist for Windows

When Command Prompt stops working as expected—won't open, returns odd errors, or commands don't r...

Removing Malware Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager attributed to Command Prompt (cmd.exe), svchost.exe,...

Fix Command Prompt Backup Script Not Working

If your Command Prompt backup script has stopped running or never worked, the issue is usually on...

Chrome Not Working After Update: Practical Fixes

After a Chrome update, you might encounter freezing, crashing, or pages not loading. This is usua...