FRM-92050 failed to connect to Server /forms/servlet -1/ Forms not opening on IE8

If you are trying to connect to Apps 11i/R12 instance from IE 8 and hitting error “FRM-92050 failed to connect to Server /forms/servlet -1“ while opening forms (as shown in figure below)

Then check version of IE

If version of IE is 8 then disable XSS filter

Steps to disable XSS filter