Checklists for software errors, setup, and tool workflows.

Fix Remote Desktop File Locked Not Working

You try to open or edit a file over Remote Desktop and get a "file locked" or "file in use" error...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Docker Build 'exec format error' for ARM64 Images

When building a Docker image for ARM64 (e.g., on Apple Silicon or AWS Graviton), you may see an e...

Fix Slow Typing in Windows Terminal

If you notice a delay between pressing a key and seeing the character appear in Windows Terminal,...

How to Fix Git Push Non-Fast-Forward Error

You run git push and get: ! [rejected] main -> main (non-fast-forward)....