Checklists for software errors, setup, and tool workflows.

GitHub Actions YAML Syntax Error: How to Fix

You push a workflow file and see a red X—YAML syntax error. The action doesn't run. Here's how to...

Fix Windows Update 404 Not Found After Clean Install

After performing a clean install of Windows, you may encounter a '404 Not Found' error when tryin...

Fix Conda Environment Solve Failure with Pip Packages

When you run conda env create or conda install and the solver hangs or ...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Fix Windows Defender Port Already Allocated in Event Viewer

If you see 'port already allocated' errors in Event Viewer related to Windows Defender, it usuall...

Fix Windows Defender DNS Error Permission Denied

You run a scan or update in Windows Defender and see an error like "DNS error permission denied" ...