Disappointing Upgrade

I have been staying KIS installed on all my PCs and have never had any problems. Since upgrading to the 2015er Version However, my online banking is under Firefox recognized as a threat (ok, "Add exception" with it went then ultimately already) and Paypal can not be opened (you can not add an exception - KIS alleged stone and bone, it would be an expired certificate and / or a hacked page). The latter works with Chrome and then it is probably due to an incorrect certificate with Firefox. There seems to be well by "fiddling" a solution, but I will not only need to make a series of complicated settings so that security software works. Support calls go unanswered. After the jetztigen license I will probably change. Two star's for recognizing real threats.