Checklists for software errors, setup, and tool workflows.

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Setup Environment Variables to Fix Command Not Found

You type a command you know is installed, but the shell replies: command not found. ...

Check Windows Version via PowerShell Command Line

If you need to find your Windows version, edition, or build number from the command line, PowerSh...

How to Fix Windows Defender 504 Timeout Error

You open Windows Security or try to run a scan, and instead see a 504 timeout error. This typical...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

Fixing Task Scheduler 504 Gateway Timeout Configuration

If you have a scheduled task that calls a URL or web service and you see a 504 Gateway Ti...

How to Enable Windows Defender Module Using PowerShell
You may need to enable the Windows Defender module in PowerShell if commands like Get-MpCom...