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

Fix GitHub Actions Cache Action Permission Denied Error

Fix PowerShell Access Denied for Get-ChildItem

When you run Get-ChildItem in PowerShell and see an access denied e...

Fix Outlook Connection Refused Error on Windows 10

You open Outlook and see "connection refused" or similar error. This usually means Outlook can't ...

How to Disable Chrome DNS Prefetching (Step-by-Step)

If you've noticed Chrome making unexpected DNS requests, or you're troubleshooting slow network p...

How to Fix Windows Search Authentication Failed Permission Denied

You click the Start menu or Search bar, type a query, and instead of results you see an error: "A...

Fix Windows Defender Threat Service Not Running Error

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...