Hi,
After upgrading from BD 2013 to BD 2015, it was working fine for some time. after few weeks bit defender was showing fix critical error, after which i could not able to perform in bit defender (scan,update..). i could not even perform uninstall.. downloaded the uninstall tool from http://www.bitdefender.com/uninstall/ and also followed the steps http://forum.bitdefender.com/index.php?showtopic=33962 ... but still facing same problem...
this is the error im getting while uninstalling or updating to other version of bit defender. https://www.sendspace.com/file/3z3h74
have downloaded the bit defender SPT tool and ran the test. this is the link where you can find the result of the tool run https://www.sendspace.com/file/vj0oqb

Please help to get it resolve