Checklists for software errors, setup, and tool workflows.

Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

Fix Windows Defender Conflicts with Third-Party Antivirus

You may see error messages like "Windows Defender can't start due to a dependency conflict" or no...

How to Fix Windows Security Real-Time Protection Not Turning On

If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix 'Windows Terminal Module Not Found' in VS Code

You open VS Code's integrated terminal and see an error like ModuleNotFoundError: No module...