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

Fix OneDrive Sync Stuck on 404 Not Found Error

If your OneDrive sync is stuck and you see a 404 Not Found error, it usually means the sync engin...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...

Docker Compose Env File Not Found: Troubleshooting Checklist

Fix Windows Activation Port Already Allocated & Firewall Errors

When Windows activation fails with "port already allocated" or a firewall-related error, it usual...

Fixing Microsoft Teams Rate Limit Errors in Graph API

When working with Microsoft Teams via Graph API, you may encounter HTTP 429 or similar rate limit...

Fix MySQL Connection Refused on Localhost

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...