Thought I was clever enough to try to root my Desire but fell at the very first hurdle and now seem to have some problems. I tried to format the sd card after backing up my apps (not everything else) Wasn't sure at first if this worked which I still have my doubts. However I did lose all my video and photos which I am not overly bothered about but have lost several important apps and now when I try to download them again from market the download just stops unacceptably and nothing happens. Cant get barcode scanner and many others despite leaving it downloading overnight. Anyclues.