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

Windows Update High Memory Usage Troubleshooting Checklist

If your computer slows down or the fan runs loudly after starting Windows Update, high memory usa...

Fix Remote Desktop 502 Bad Gateway in Nginx

If you're seeing a 502 Bad Gateway error when trying to access Remote Desktop through an Nginx re...

Fix OneDrive Authentication Failed After Password Change

After changing your password, OneDrive may fail to authenticate, showing errors like 'Authenticat...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Windows Update Not Working on Ubuntu Dual Boot: Fixes

If Windows Update fails or hangs after setting up a dual boot with Ubuntu, the problem is often r...

Fix OneDrive 'Permission Denied' Sync Errors

You see 'permission denied' in OneDrive sync status on Windows or Mac. Files won't upload or down...