Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Search SSL Error 0x80072f0d

When Windows Search fails to connect to online services, you may see error code 0x80072f0d. This ...

Fix 502 Bad Gateway in Chrome: Clear Profile Cache

If you're seeing a 502 Bad Gateway error in Chrome, the problem is often on the server side. But ...

How to Fix Task Scheduler 'File Locked by Another Process' Error

When you try to run a scheduled task in Windows Task Scheduler, you might see an error like "The ...

PowerShell Port Already Allocated: Troubleshooting Checklist

When you try to start a PowerShell HTTP listener, create a TCP listener, or enable PowerShell Rem...

Fix 'ffmpeg command not found' in PHP exec()

When you call exec('ffmpeg ...') in PHP and get ffmpeg command not found

Fix Chrome Profile File Locked Without Deleting Profile
You try to launch Chrome and get a message that your profile is locked. This usually happens afte...