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

Fix Outlook Connection Refused Due to Firewall Settings

If Outlook suddenly shows a "connection refused" error when trying to send or receive email, the ...

Windows Defender Proxy Error: Setup Checklist for Fix

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

Fix Microsoft Store App Installation Errors on Mac

If you're trying to install a Microsoft Store app on your Mac and getting an error, you're not al...

Fix Jupyter Kernel Not Starting on Windows 10

When you launch a Jupyter notebook and the kernel never starts—or shows a 'Kernel error' or 'Conn...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues