Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Windows Defender Missing from Settings After Update: Fix

After a Windows update, you might open Settings and find that Windows Defender (now called Micros...

Fix Docker Container Crash Loop with Exit Code 1

You start a Docker container and it immediately stops, then restarts, stops again—the classic cra...

Fix Windows Update 404 Not Found Using Command Prompt

If you see a 404 error when checking for Windows updates, it usually means the update files canno...

PowerShell on Ubuntu 22.04: Setup Checklist

If you're setting up PowerShell on Ubuntu 22.04, you might hit errors like 'command not found' or...

How to Fix PowerShell 404 Not Found for URL

When you run a PowerShell command like Invoke-WebRequest or Invoke-RestMethod<...

Fix PowerShell 504 Gateway Timeout After Windows Update
After a recent Windows update, some users see a 504 Gateway Timeout error when running PowerShell...