Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...

You run a script that worked yesterday, and today it throws errors about missing cmdlets, incompa...

You're browsing in Chrome and suddenly see 504 Gateway Timeout. The page won't l...

When the Microsoft Store refuses to open—either it crashes on launch, hangs on a blank screen, or...

You open a file and see a message: 'Conflict version of [filename]' or two copies with 'conflict'...

If Windows Search stops finding files, emails, or apps, the search index may be corrupted or outd...