Second Copy 7 (build 7.1.0.0) is compatible with Windows Vista.
If you do not have this build, then please download it from the link below and install it on top of the existing installation of Second Copy 7. Your existing profiles will be recognized automatically.
To download Second Copy 7 (Build 7.1.0.0):
http://www.secondcopy.com/download/sc7.exe
If you are a licensed user of Second Copy 7, then you are entitled to the Vista compatible build at no additional cost.