OK I've bought a MacBook inJuly 2010, and it is my first owned computer but after a few month I was messing around and switched internet browsers and got rid of safari and I use VLC for watching videos so I got rid of QuickTime but then I was no longer able to watch videos or use flash, iTunes, iLife09 etc. after a couple of weeks it'a back to normal again but iTunes+iLife won't open even now that I got all my upgrades it still doesn't work such a little window popping up saying "iTunes require Quicktime 7.5 or more" something like that so I reinstalled QuickTime to 7.6 but the same thing keeps popping up but my have QuickTime so can anyone help me please