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

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

How to Fix Windows Update Access Denied Error in Command Prompt

Fix Windows Update Connection Refused Due to Firewall

If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...

VSCode Remote SSH Connection Timeout: Troubleshooting Guide

You're editing code in VSCode, and the Remote-SSH extension suddenly loses the connection or fail...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix Windows Activation 502 Bad Gateway Network Error

When activating Windows, you may see a "502 Bad Gateway" network error. This usually means the ac...