if you're going to go through the process of recopying MC's update.zip file to your sdcard, you might want to just redownload it to your pc, and then transfer over to your sdcard. some of the problems you are having sound suspiciously like you might have a corrupt dl of the zip file.
just my 2 cents... Tallica and Mike would know better than me.
just my 2 cents... Tallica and Mike would know better than me.