Knowledge base for software setup, errors, and daily tool work.

Fix Nginx Config Test Not Working After Editing nginx.conf

You've edited nginx.conf, run nginx -t to test, and it fails or produces no output. ...

Fix Task Scheduler Invalid Configuration Error on Windows 10

If you see an 'invalid configuration' error when opening or editing a task in Windows 10 Task Sch...

Fix Command Prompt Crash Loop on Windows 10

If Command Prompt opens and immediately closes, or crashes repeatedly when you try to type comman...

Microsoft Teams Blank Screen: Step-by-Step Reinstall Fix

If Microsoft Teams opens to a blank white or gray screen, a corrupted installation is often the c...

Fix Microsoft Store Permissions Issue in Windows 10

GitHub Actions Runner Not Connecting: Fixes That Work

You've set up a self-hosted GitHub Actions runner, but it never appears online or shows a "runner...