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

Fix Windows Defender Error 0x80070422: Won't Turn On

If you see error code 0x80070422 when trying to turn on Windows Defender, it usually means the re...

Windows Activation Version Mismatch: IT Admin Checklist

When a Windows client or server reports a version mismatch during activation, it usually means th...

How to Set PowerShell as Default Terminal in Windows 11

If you frequently use PowerShell and want it to open by default instead of Command Prompt, Window...

Fix GitHub Actions Docker Push Permission Denied

Fix PHP Composer Install Memory Limit Fatal Error

When running composer install or composer update, you may see a fatal e...

BitLocker Recovery Key Not Accepted: Practical Fixes

You enter the 48-digit BitLocker recovery key, but Windows says it's not accepted. This can happe...