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

How to Fix Windows Defender 404 Not Found Error

If you see a "404 Not Found" error when opening Windows Defender, it often means a required file ...

Fix Microsoft Store 404 Error by Clearing Cache

When you open Microsoft Store and see a 404 error, it usually means the app can't load its conten...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Enable DNS over HTTPS in Chrome

If you've noticed that your browser seems to be leaking DNS queries or you want to prevent your I...

Remote Desktop Not Connecting After Update: 5 Fixes

After a Windows update, Remote Desktop may refuse to connect. This is a known issue caused by cha...

Windows Defender Log File Not Generating: How to Fix

If you rely on Windows Defender logs for security auditing or troubleshooting, a missing log file...