Checklists for software errors, setup, and tool workflows.

Fix Windows 10 Activation Not Working After Update

After a Windows 10 update, you might see a watermark saying your copy isn't activated or an activ...

Fix Windows Update Cleanup Stuck Using Command Prompt

You ran Disk Cleanup to clear Windows Update files, but it sits at 'Working on updates' for hours...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

How to Restart Remote Desktop Service from Command Line

If you need to restart the Remote Desktop service on a Windows machine—perhaps because users can'...

Fix Remote Desktop 404 Error from Missing Web Interface

You connect to your remote desktop gateway, but instead of a login prompt, you get a 404 error. T...

Fixing Windows Defender Authentication Failed Permission Denied

You try to run a Windows Defender scan or update, but get an error like "Authentication f...