Question Issue: How to Fix Modem Error 633 after Windows 10 Creators Update? I’ve installed Windows 10 Creators Update yesterday. Apparently it broke my modem because it gives me the error message “Error 633: The modem is already in use or not configured properly.” It seems that the VPN connection cannot be established, but I […]
Archive for July, 2017
Error 633: The modem is already in use or not configured properly – Windows 10

