Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

How to Fix Windows Update Stuck on Pending Install

You open Windows Update and see updates listed as 'Pending install' but nothing happens when you ...

Fix Microsoft Teams Authentication Loop After Update

After a recent update, you might find Microsoft Teams stuck in an authentication loop—signing in,...

Set Windows Update Service to Run as Local System Account

If Windows Update fails with errors like 0x80070422 or the service won't start, the service might...

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

Fix 'Rate Limit Exceeded' Error During Windows Activation

You try to activate Windows, but you get a message saying “Rate limit exceeded. Please tr...

Fix Windows Activation DNS Failure via Command Prompt
When Windows fails to activate, you may see errors like '0x80072EE2' or 'We can't activate Window...