Instructions to resolve the Error returned 302 when processing integrated transactions.
Scroll down page to EASY FIX Screen shot below
Click Download and then run/install file
Restart your computer
This should resolve the issue.
THIS IS ONLY FOR WINDOWS 7 USERS
attempting to apply this fix to a PC running anything other than the operating systems listed in the Microsoft Support article (such as Windows 10) may severely impact your ability to use the internet