Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see 'ERR_PROXY_CONNECTION_FAILED' or 'Proxy server is not responding' in Chrome on Windows...

If you open Windows Search and see a blank screen or empty results along with error code 0x800700...

You open Windows Security and see "Module not found" or a blank interface. This usually means a c...

You're trying to sync a file in OneDrive, but you get an error saying the file is locked. This us...

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...

Fix Windows Search 504 Gateway Timeout via Registry
If you see a 504 Gateway Timeout error when using Windows Search, it usually mea...