can anyone help me with why when I run mcafee virus scheduler and double click on the autoupdate and then click on configure I get mcupdate caused an invalid page fault and when I close this screen I get error starting program a required .dll file mccomm.dll was not found. the version is 4.0.02 and the work station next to this machine works fine but doesn't have the dll file stated .i have tried reinstalling the program with the same result .