Separate names with a comma.
Found a solution: Kaspersky is the malefactor. I've put Parallels Coherence service to the trusted applications / services an now it works.
C&C ist available but does not work under OSX 10.6.2, Parallels 5.0.9310 and Windows 7 Build 7600 as VM If I try first OSX freezes for about 10...
