i have a stock htc evo 4g and last week i changed my 8 gb sd for a 16gb sd card i just transfered all the files onto my new card and now i can't update some apps so i tried doing the same thing again but this time i copied all the files to my computer formatted my sd card on my evo and still no luck i keep getting installation error unknown reason 18 some apps update fine others will not i think its the ones i had installed on my sd card please help thanks