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

Windows Defender Rate Limit Error via Group Policy: Fix Guide

If you see a rate limit error in Windows Defender (Microsoft Defender Antivirus) that appears aft...

Fix Microsoft Teams Connection Refused Due to Firewall Settings

When Microsoft Teams shows a 'connection refused' error, it usually means a firewall or proxy is ...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix Windows Search 502 Bad Gateway Network Config

You search for a file in Windows and get a "502 Bad Gateway" error. This usually means Windows Se...

How to Fix Windows Activation Authentication Failed Error

You see "Authentication failed" when trying to activate Windows. This usually happens after a har...