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...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...

Command Prompt Dependency Conflict Troubleshooting Checklist

Stop Microsoft Teams High Memory Usage in Background

If your computer feels sluggish and Task Manager shows Microsoft Teams using hundreds of MB or ev...

Fix Command Prompt Access Denied in Windows 11

You try to run a command in Command Prompt and see 'Access Denied.' This usually happens when the...

How to Fix DNS Errors When Searching in Windows 10

If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...