Dear Andrew,
While I have some practice using Terminal on a Mac, I have none on a Windows machine. This machine, which was configured for me by a technician at my school and he did not give me administrative powers in Terminal but I will write and ask him if I can have them. I assume that the command has to be carried out in Terminal and that Soft Perfect has not changed the fast start-up problem. When I go to fast start-up in Windows I am blocked there too.
Mark