Checklists for software errors, setup, and tool workflows.

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Latest checklists

You open Command Prompt, type a command, and get access is denied or permissio...

Fix npm install ENOENT package.json Setup Error
When you run npm install and see an ENOENT error referencing package.json

Fix 'Run PowerShell Script Command Not Found' Error
When you run a PowerShell script and see “The term ‘’ is not recognized as the name o...

How to Fix FileZilla Connection Timed Out Error
You're trying to connect to your FTP server, but FileZilla hangs for a while and then shows "Conn...

How to Fix Task Scheduler 502 Bad Gateway Error
When Task Scheduler shows a 502 Bad Gateway error, it usually means the task tried to reach a web...

How to Enable Windows Defender Service Manually
If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...