thanks for getting back to me, yeah, that seems to be the case because when i rolled back to an earlier version of sonar the 30th-anniversary plugin is still there. what i did was, go to my 3ed party uninstaller and uninstalled it from there.
how i wish i could bring my computer to a thoroughly knowledgeable person who knows his/her way around computers and sonar and say "this is the problem, please fix it".
are there such people? i would be willing to be without this computer for a while (i have other computers to do all the other crap) to get this done. kind of like bringing an amp to someone who is expert in things other than the basic maintenance like bias etc.
anyway, thanks again. sometimes the frustration is unbearable.
joe