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

Fix Windows Activation High Memory Usage in Safe Mode

If your Windows system is using excessive memory (e.g., 80-99% RAM) and you suspect activation-re...

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...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Windows Terminal Permission Denied in Windows 11

If you're seeing 'permission denied' when trying to open a file, run a script, or execute a comma...

Reduce Task Scheduler High CPU Usage: Practical Fixes

If your system’s Task Scheduler service (svchost.exe) is using 20-50% CPU or more, you’re not alo...

Fix Windows Defender 504 Gateway Timeout Configuration Error

When you see a 504 Gateway Timeout error in Windows Defender, it usually means t...