Published Android apk gives error “Package file was not signed correctly”

Question

I recently uploaded my application to the android market however it\'s refusing to run when downloaded due to the error

Package file was not signed co

Answer 1

I had the same problem with my developed app.

Go to the App Manager, clear the data for the app, then force stop if it's running and uninstall it. Then try again to install from market. This worked for me.

https://market.android.com/details?id=net.trackmelite.GoogleMaps&feature=search_result