Workflow manuals for setup steps, repeatable tasks, and software operations.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Windows Update Error 0x800f081f with Media Creation Tool

If you see error 0x800f081f when running Windows Update, it usually means a system file or compon...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

How to Fix npm Install Permission Denied on Mac

If you see EACCES: permission denied when running npm install, it's...

Fix Nginx Configuration Test Failure on Location Directive

When you run nginx -t and see an error like [emerg] invalid location directive...