Description : I installed Ubuntu, but how do I switch back to Windows 7?
Last Answer : answer:Umm, if you really installed it in Virtualbox then it can not launch when you start the computer because you would have to run Virtualbox in Windows first to launch Ubuntu. So there are 3 possibilities. 1 ... and then reinstall windows. 1. is the least likely of the 3, 2. is the most likely.