I am having trouble installing ZA Pro. I installed it, but during the install there was an error. I tried to install again, but it failed. I tried to uninstall, but this also failed. For each, it claims to be verifying components and truevector fails, but at no point is vsmon.exe running on the computer. How can I get past this hang-up with the program.

Operating System:Windows Vista Business
Software Version:7.1 (Vista)
Product Name:ZoneAlarm Pro