Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see connect() failed (111: Connection refused) or connect() failed (13:...

How to Fix Windows Search Indexing Not Working
If Windows Search stops returning results or takes too long, the indexing service is likely stall...

Fix Python Permission Denied When Running pip install -r requirements.txt
You run pip install -r requirements.txt and get a PermissionError or

Fix Firefox Secure Connection Failed on Mac
If you see "Secure Connection Failed" in Firefox on your Mac, the browser is blocking the...

Git Clone SSL Connection Timeout: Causes and Fixes
When you run git clone over HTTPS and see an error like Failed to connect to g...

Fix VSCode Source Control Not Detecting Changes
You're working in Visual Studio Code, you edit a file, but the Source Control view shows no c...