Checklists for software errors, setup, and tool workflows.

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix SSL Certificate Error in Windows Search Bar

When you type a URL or search term into the Windows Search bar and see an SSL certificate error, ...

Fix Windows Security Login Loop After Update

You click the Windows Security icon, it asks for your PIN or password, you enter it, and then it ...

How to Fix Windows Security Settings Not Saving Changes

You change a setting in Windows Security—like toggling real-time protection or adding an exclusio...

Fix PowerShell Invalid Configuration After Update

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

How to Fix PowerShell Invoke-WebRequest 504 Gateway Timeout

You run Invoke-WebRequest in PowerShell and get a 504 Gateway Timeout