Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Chrome fails to find your profile folder, you'll see an error like "Your profile could n...

Fix Microsoft Teams Command Not Found in Flatpak
You installed Microsoft Teams via Flatpak, but when you run microsoft-teams in the t...

Fix OneDrive Token Expired Error (0x8004de40)
You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...

Fix Chrome Version Mismatch with WebDriver Setup
When your Selenium tests fail with a message like “SessionNotCreatedException: Message: sessi...

Fix Microsoft Teams Proxy Error After Update
After a Microsoft Teams update, some users see a proxy error when trying to sign in or connect. T...

Fix Windows Defender 502 Bad Gateway Sync Error
If you see a "502 Bad Gateway" error when Windows Defender tries to sync, it usually means a temp...