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

How to Fix Nginx 502 Bad Gateway Error

When you see a 502 Bad Gateway error from Nginx, it means Nginx could not get a valid response fr...

How to Fix Redis Connection Refused Error

If you're seeing Error: connect ECONNREFUSED 127.0.0.1:6379 or similar, it usually m...

Fix Microsoft Teams Stuck on Loading Screen

If Microsoft Teams gets stuck on the loading screen—spinning dots or a blank window that never fi...

SSH Connection Timed Out: Check Firewall Rules

You type your SSH command, wait a few seconds, and get "Connection timed out." It's a common erro...

Fix Windows Update Settings Greyed Out – Step-by-Step

You open Settings > Update & Security, and everything under Windows Update is greyed out. Buttons...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...