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

Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter

You click Check for updates, it sits at 0% for ages, and the progress bar doesn't budge. This...

Fix 'nginx cannot read file permission denied' Error

When Nginx returns a 403 Forbidden or logs "permission denied" for a static file, it'...

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Nginx Redirect Loop in WordPress

You visit your WordPress site and get a "redirect loop" or "too many redirects" e...

Fix Error 0x80070080 When Windows Update Stuck

You see error 0x80070080 and Windows Update hangs at a certain percentage. This usually means a p...