Well, my internet has been acting very strange lately. Like msn messenger not working and lots of webpages not loading. But today, ive just got in from work and turned my pc on to be greeted by a YMCA screen saver WTF. Is someone hacking my pc and causing this bother? Im waiting for my brother to come back from work to ask him if it was him. But iirc i came in once and the screen saver was Rosie and Jim. What should i do?