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

Fix Windows Defender Error 0x80073b01 (Crash on Startup)

If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...

Fixing GitHub Actions Permission Denied for Git Commands

Fix GitHub Actions Permission Denied for Checkout Step

When a GitHub Actions workflow fails at the checkout step with a 'permission denied' error, it us...

How to Migrate Task Scheduler Tasks from Windows Server 2016 to 2022

If you're upgrading from Windows Server 2016 to 2022, you'll need to move your scheduled tasks. T...

Windows Defender Network Error Checklist: Step by Step

When Windows Defender fails to update or connect, you'll often see a network error message. This ...

Fix Windows Security Token Expired Configuration Error

If you're seeing an error about a security token being expired or configuration being invalid, it...