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

Windows Defender Service Not Working in Windows 11: Fixes

If Windows Defender won't start or shows a service error in Windows 11, your system may be unprot...

Fix PowerShell Service Unavailable Error During SFC Scan

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

Checklist for GitHub Actions Permission Issues

GitHub Actions often fail with cryptic permission errors. This checklist walks through the most c...

BitLocker Setup Failed on New SSD: Common Fixes

You've installed a new SSD and want to enable BitLocker drive encryption, but the setup fails wit...

Fix Windows Defender Real-Time Protection Stuck Off

You try to enable real-time protection in Windows Security, but it either stays grayed out or rev...

Fix Office 365 Token Expired Error in CMD