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

Windows Search Port Allocation Troubleshooting Checklist

When Windows Search stops working or indexing fails, a common but overlooked cause is port alloca...

Certbot Certificate Renewal Checklist: 8 Steps to Avoid Downtime

You set up automatic renewal with certbot, but one day your browser shows a security warning. The...

Fix 504 Gateway Timeout with Curl Command

When you see a 504 Gateway Timeout error, it means a server upstream (like a proxy or gateway) di...

How to Fix 'npm command not found' on Mac

OneDrive Sync Not Working: How to Fix Common Issues

If OneDrive files aren't syncing, you might see error messages, a stuck sync icon, or files that ...

Fix Chrome Profile Dependency Conflict Not Opening

You click the Chrome icon, but nothing happens. Or you see a brief flash and then nothing. A comm...