Checklists for software errors, setup, and tool workflows.

Fix Windows Update Login Loop After Update

After a Windows update, you might find yourself stuck in a login loop: you enter your password, t...

How to Fix Windows Update Error 0x80070002 Stuck Downloading

If Windows Update gets stuck downloading with error 0x80070002, it usually means the update files...

Systemd Service Not Starting After Reboot: Practical Fixes

You've set up a systemd service, it runs fine when you start it manually, but after a reboot it s...

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

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 Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...