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

Fix Maven Dependency Resolution Failed in IntelliJ

Fix Dependency Conflicts When Microsoft Store Games Won't Launch

You install a game from the Microsoft Store, click Launch, and nothing happens—or you get a vague...

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...

Reset Windows Defender Settings via Command Line

If Windows Defender is misbehaving—showing false positives, missing updates, or refusing to run—r...

Fix Get-ChildItem Access Denied Errors in PowerShell

When you run Get-ChildItem in PowerShell and hit an "Access Denied" error, it usuall...

Fix Microsoft Teams 502 Bad Gateway Due to Network Config

You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...