I just want to follow up that since I first encountered this problem in August 2018, till today I have not found a permanent solution ("running as administrator" does not always work for me as the scanner still freezes after one or a few scans, and in the first place this should not even be called a "solution" in the first place). After eight months contacting Epson and also exhausting all possible options on my own, I have given up on resolving this issue.
https://www.epson.co.uk/viewcon/corporatesite/products/mainunits/faq/8654/2784
PLEASE GET THE PATCH FROM HERE! somebody please put it on the first page