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

Fix PowerShell 404 Not Found Error in Scripts

If your PowerShell script throws a 404 Not Found error, it usually means the script tried to acce...

Fix GitHub Actions Cache Action Permission Denied Error

How to Clear Windows Update Cache in Windows 10

If Windows Update is stuck, failing with errors, or taking too long to check for updates, a corru...

Fix Windows Update Error 0x80070643 Installation Failed

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

Windows Security Slow Performance Checklist

If Windows Security (formerly Windows Defender) is making your system feel sluggish—slow scans, d...

Fix 'Windows Activation Service Not Starting' Permission Denied

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...