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

Fixing Nginx 404 Errors for API Endpoints

When your API returns a 404 error from Nginx but works locally, the problem is usually in the Ngi...

Fix Windows Defender 502 Bad Gateway Sync Error

If you see a "502 Bad Gateway" error when Windows Defender tries to sync, it usually means a temp...

Windows Update Migration Troubleshooting Checklist

When you migrate Windows to a new drive or system, update problems often surface. This guide walk...

OpenVPN Connect Timeout Troubleshooting Guide

If you're seeing "Connection timeout" when trying to connect via OpenVPN, the client is unable to...

Fix Windows Update Connection Refused Due to Proxy Settings

When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...

Windows Update High CPU Usage Troubleshooting Checklist