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

Chrome Profile 502 Bad Gateway: Step-by-Step Fix

You're browsing in Chrome and suddenly see a 502 Bad Gateway error on most sites...

Fix Windows Update Error 0x80070002 (Dependency Conflict)

When Windows Update fails with error 0x80070002, it usually means the update installer can't find...

How to Install SSL Certificate on Windows Server 2019

You have an SSL certificate file (usually .pfx or .cer) and need to install it on Windows Server ...

Fix Port Already Allocated for Task Scheduler Service

You try to start a service using Task Scheduler, but get an error that the port is already alloca...

MongoDB Authentication Failed: Administrator Checklist

Fix Microsoft Teams Dependency Conflict Permission Denied

You try to install or update a Microsoft Teams app or custom bot, and get an error like 'dependen...