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

Fix Command Prompt Backup Script Not Working

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

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Windows Activation Failure Due to Network Issues

When Windows fails to activate with an error mentioning a network issue, it often means the syste...

Fix Windows Defender Error 0x80070643 – Version Mismatch

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

Fix Chrome Tunnel Connection Failed: Network Config Guide

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