Playing Surgeon Simulator yourself could be decidedly frustrating when things stop behaving the way you want them to. Sometimes an organ will not cut when we want it to; we will get a bad grip on a tool, making it almost impossible to use the way we want to; or something will fall to the floor where it is lost forever. The only good news I can share with you about any of that is everyone who has played the game shares your pain and that restarting an operation is quick, easy, and painless (for you; not the patient)."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips