Dear All, Hello! My name is Thor. I live in Los Angeles, CA. I am a technician. I own a 3D printer and i want to use it to make replacement parts. I found OpenScan. I have the Rpi 4 w/ 2 gigs of memory. I don't know ANYTHING about Raspberry Pi, networking, linux, etc. I followed the pdf exactly and I can get to the UI. I only have a wifi source as internet. I've been using my laptop that I've somehow gotten to connect to the wifi network to setup the RPi. I can connect to the RPi with a network cable and use terminal. When I open the UI, I try to register for a token and it says that it can't. I'm guessing it's because my network has a proxy and potentially having to do with a cert. I'm not sure. I've done this: https://raspberrypi.stackexchange.com/questions/68580/how-do-i-set-proxy-in-raspberry-pi-raspbian-os-or-any-linux-using-command-li For apt Navigate to the following folder as follows: cd /etc/apt/apt.conf.d Create a file called 10proxy: sudo nano 10proxy Without authentication add this line: Acquire::http::Proxy "http://proxyaddress:proxyport/"; Or with authentication add this line: Acquire::http::Proxy "http://username:password@proxyaddress:proxyport/"; Make sure to include the / at the end. I've done this write-up: https://www.instructables.com/Setting-Up-Proxy-Server-in-Raspberry-Pi/ I would appreciate anyone's help on this matter. Please keep in mind that I have no clue about anything and if you could write to me like I'm a 5 year old, that would be appreciated. I'm really interested in getting this set up. If anyone is interested and willing to help me, I would really appreciate it. I'm even willing to use TeamViewer to let someone check things out. Sincerely, Thor