This post from Comodo Time Machine forums may give you some useful information on dual booting Windows with Linux.
https://forums.comodo.com/bug-report...;msg397637#new
I think CTM bought the base code of Rollback and are doing their own thing with it..... but seem to be having alot of trouble making it work right. Anyway the methods described to dual boot should apply to Rollback. Might be an idea to image your drive before you attempt to do this.