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

Fix Nginx 502 Bad Gateway Behind Cloudflare

If you're seeing a 502 Bad Gateway error on a site that uses both Nginx and Clou...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

Fix Chrome Extensions Not Loading: Error Message Guide

You open Chrome, click the extensions icon, and nothing shows up—or you get an error message like...

Fix Chrome Browser Path Not Found Error 0x0000007b

When launching Chrome, you may see an error: "The file or directory is corrupted and unre...