Installer does not seem to be working on my iTouch anymore. Here is how it happened. I accidentally hit installer when I was trying to open something else. Installer opened and started to refresh sources like usual. Well as it was starting to do this I hit the home button a couple of times as I really wasn't in the mood to wait 30 minutes for all the sources to load. Now when I try and start Installer I just get a white screen with nothing there and then it reverts back to the home screen after like 10 seconds. Anyone have any ideas? Is there anyway to re-install installer?