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

Setting PHP Composer Memory Limit via Environment Variable

When running Composer, you may encounter a fatal error like "Allowed memory size exhausted" or "O...

Fix Windows Defender 504 Gateway Timeout Error

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

Windows Defender Command Not Found in PowerShell: Fixes

When you type Get-MpComputerStatus or other Defender cmdlets in PowerShell and see <...

How to Fix Windows Update Access Denied Error

You click 'Check for updates' and see 'Access Denied' or 'Error 0x80070005'. This usually means W...

Fixing GitHub Actions Permission Denied for Git Commands

Fix Windows Update 404 Not Found Error on Windows 10

When you run Windows Update and get a "404 Not Found" error, it usually means the update server c...