Checklists for software errors, setup, and tool workflows.

Fix Windows Security Real-Time Protection Not Working

If you see a yellow warning in Windows Security that says "Real-time protection is off" or it tur...

Fix Microsoft Store Connection Timeout Due to Firewall Settings

You open the Microsoft Store and it hangs on a loading screen, or you get a timeout error when tr...

Fix Chrome Authentication Failed on Windows 10

If Chrome keeps showing 'Authentication failed' when you try to sign in or sync on Windows 10, th...

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 Windows Defender Connection Refused via Group Policy

If you see a "connection refused" error when trying to open Windows Defender Security Center or r...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...