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

How to Fix Windows Defender Authentication Failed Error

If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...

Fix Windows Security Connection Refused Error via Registry

If you see a connection refused error when opening Windows Security (Windows Def...

Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Network Change

If Chrome shows DNS_PROBE_FINISHED_NXDOMAIN right after you connected to a new W...

How to Fix Outlook High CPU Usage with Repair Tools

Outlook using 50% or more of your CPU can slow your whole system. This often happens with large m...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues