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

Fix Windows Defender Firewall Blocking Internet Connection

If your internet stops working after a Windows update or firewall configuration change, Windows D...

How to Fix Remote Desktop Black Screen After Login

You log into a remote machine via RDP, authentication succeeds, but instead of the desktop you se...

Firefox Profile Missing Troubleshooting Checklist

When Firefox starts but shows none of your bookmarks, passwords, or extensions, the profile may b...

Fix 'Permission Denied' When Updating Microsoft Store Apps

You try to update an app from the Microsoft Store, but get a 'permission denied' error. The updat...

Fix Microsoft Store Login Loop: Stuck Signing In

You open the Microsoft Store, click Sign in, and it spins for a moment then asks you to sign in a...

Fix WSL Ubuntu Internet Not Working After Windows Restart