Hello, I have OS X 10.8.5 and Win7 SP1 installed on my MacBook Pro (model summer 2010). I used to run Win7 using Parallels desktop. I have version 9.0.23036 installed. Unfortunately, the boot sector for Win7 got corrupted or erased (???) I have many professional apps installed on Win7, not easy to re-install... => I try to find a way to use WinPE to solve the issue. But I cannot boot directly from WinPE on a USB memory stick. It stops when loading the system files. Is there a way to run WinPE anyway? Using Boot Camp? Using Parallels desktop? by copying some Parallels drivers onto the WinPE system? (but which ones? where to copy them?) Is there any other way to re-create the boot sector for Win7 without a full re-install? Many thanks for any help. Bertrand