UPDATE: March 2017: If the easy command line path solution does not solve your issue, check out http://www.urtech.ca/2016/02/solved-how-to-fix-error-2503-2502-on-windows-10-when-installing-software/ I was recently working on a Sophos encryption install on a Surface Pro 3 but was presented … Continue reading SOLVED: Installation Error Code 2502 & 2503