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

Fix PowerShell 404 Not Found on GET Requests

When you run a PowerShell Invoke-RestMethod or Invoke-WebRequest with t...

Fix OneDrive Sync Not Working After Migration

After moving files to a new PC or switching Microsoft accounts, OneDrive may stop syncing. This u...

How to Fix Nginx 502 Bad Gateway: A Practical Guide

Seeing a 502 Bad Gateway error from Nginx usually means the upstream server (like PHP-FPM, Gunico...

Fixing Redis Connection Refused and Permission Denied Errors

When you see connection refused or permission denied while trying to co...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Enable File History Backup on Windows 10: Troubleshooting Guide

You set up File History on Windows 10, but backups aren't running, or the drive isn't detected. T...