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

Troubleshoot 502 Bad Gateway with Curl Commands

A 502 Bad Gateway error means your server (gateway) got an invalid response from an upstream serv...

Fix Windows 11 Search Not Showing Open Files

If you search for a file that you know is open in an app, but Windows 11 search doesn't show it, ...

Fix Chrome Failed to Start Due to Corrupted Profile

You click Chrome and nothing happens—or you see an error like "Your profile could not be opened c...

Fixing Nginx 404 Errors for API Endpoints

When your API returns a 404 error from Nginx but works locally, the problem is usually in the Ngi...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix Microsoft Teams Camera Not Working with Virtual Background

You’ve set up a virtual background in Microsoft Teams, but your camera stops working or shows a b...