Checklists for software errors, setup, and tool workflows.

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Fix PowerShell Port Already Allocated After Reboot

After a reboot, you might see an error like "port already allocated" when trying to use a specifi...

Fix Windows Defender Real-Time Protection Not Working with Network Error

You open Windows Security and see a yellow warning that real-time protection is off. When you try...

Fix Windows Search Not Finding Files in a Folder

You open a folder, type a filename into the search box, and Windows returns nothing—even though y...

Fix 'ffmpeg command not found' in Python Script

You run a Python script that calls ffmpeg, and you see ffmpeg command not found. Thi...

How to Install a Missing PowerShell Module

When you run a script or command in PowerShell and see an error like Import-Module : The sp...

Fix 'Access Denied' Error in Windows Security for Administrators
If you're logged in as an administrator but still see 'Access Denied' when opening Windows Securi...