Here is a link to the instructions for removing old university version of Sophos for PC:
https://community.sophos.com/kb/en-us/12360
Here are the links to the instructions for removing old university version of Sophos for MAC:
https://community.sophos.com/kb/en-us/120838
There is a Sophos removal tool for Mac here:
https://community.sophos.com/kb/en-us/121206
If you have a University owned system please contact support@engr.arizona.edu to get access to the UA Engineering Sophos Cloud installer.
If you have a personal system you can either remove Sophos and us the built in antivirus for your OS or use Sophos for Home:
https://home.sophos.com/en-us/free-anti-virus-windows.aspx
Please contact support@engr.arizona.edu if you have any questions.