Hey all, I have a interesting question! I'm running Leopard and windows on my Mac via VM ware fusion. I also use time machine. I attempted to download a youtube video the other day which led to nasty viruses on the windows side. Can viruses jump to the Mac OS and then to my Time Machine? It may be coincidence, but I freaked out after I re installed windows and the same virus appeared. I then re installed the Mac OS, but restored my Mac via Time Machine. Does anyone think the original virus ended up on my time machine and then back into my Mac and windows? I may be paranoid; I want to make sure I don't have viruses on my Mac using my Time machine. Thanks for the advice! Habitus Can viruses jump from a windows virtual machine to the Mac OS and then to Time Machine when backing up? Would the same virus then reload onto windows when restoring Time Machine?