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...

How to Fix '404 Not Found' File Path Errors in CMD

PowerShell Not Opening on Windows 10: Quick Fixes

If PowerShell won't open on Windows 10—no window appears, it flashes and closes, or you get an er...

Fix Windows Search SSL Certificate Error Configuration

If Windows Search stops working and you see an SSL certificate error in the event logs or search ...

Fix Chrome Profile 502 Bad Gateway on Mac

If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...

Fix Windows Defender 504 Gateway Timeout Configuration Error

When you see a 504 Gateway Timeout error in Windows Defender, it usually means t...