Parse Error While Installing Downloaded .apk File

Hi after Two weeks again i started my research and struggling with this Error *Parse Error:*There is a problem parsing package. Scope of my implementation is am trying to update my

Solution 1:

Finally i can able to install my apk which was downloaded from my server without any Parse Error.I tried with external storage it was happend without any error.to store the apk in internal storage and want to install means u need to change Your

FileOutputStreamfos= openFileOutput(file, Context.MODE_PRIVATE)

to Context.MODE_WORLD_READABLE. and i added permissions like INSTALL_PACKAGES.