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

Fix Windows 11 Installation Assistant Stuck at 99%

Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...

Remote Desktop Connection Fails: RDP Port Not Open

You try to connect via Remote Desktop, but the client says it can't connect. One of the most ...

How to Set Up a Wildcard Subdomain DNS Record in Cloudflare

If you need all subdomains (e.g., *.example.com) to point to the same IP or service, a wildcard D...

Fix Windows Update Service Not Running Due to Group Policy

If Windows Update shows the service is not running and you suspect Group Policy, the problem is o...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix 'Permission Denied' for Yarn in VS Code Terminal

When you try to run yarn in the VS Code integrated terminal and see a Permissi...