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

Fix Microsoft Store 502 Bad Gateway & Permission Denied

You open Microsoft Store and see a 502 Bad Gateway error, sometimes accompanied ...

Fix Windows Defender Version Mismatch with Configuration Tool

You might see a version mismatch warning when opening Windows Defender Security Center or running...

Fix Windows Activation Authentication Failed via Command Prompt

If you see 'Windows activation authentication failed' when trying to activate Windows, the issue ...

Fix Nginx 502 Bad Gateway in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...

Fix Windows Terminal settings.json Not Working

You edit the settings.json file in Windows Terminal, save it, and expect the changes to apply imm...

Fixing Microsoft Teams Rate Limit Error When Sending Messages