Chances are all he did was run the bios through the tool and upload the finished product. This, I can assure you, is not going to cause you any problems if the flash went well. These members doing the mods for you on their own time and are not interested in "hacking" your computer. I would suggest you look elsewhere for trouble, and thank the members here for their time helping you out of trouble. Perhaps you have cracks or other warez on your machine?? Thought so...