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

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

Fix Microsoft Teams Proxy Error Not Connecting

If you see "proxy error" or "not connecting" in Microsoft Teams, it usually means the app can't r...

How to Fix Windows Security 404 Error When Opening

When you open Windows Security and see a 404 error page, it usually means the app can't find its ...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix BitLocker DNS Error: Unable to Contact Key Server

If you see "BitLocker DNS error: unable to contact key server" when trying to recover a BitLocker...

Fix VSCode Debugger 'launch.json Not Found' Error

You open the Run and Debug view in VSCode, click the green play button, and get an error: "launch...