The package file is not signed correctly. android market?

Question

Android

when updating the application from the market, it writes the
error "The package file is signed incorrectly."
why is this happening?

Answer 1

I had this problem several times. The point was that I wanted to update the program that was embedded in the firmware.
After uninstalling with System App Remover, I updated the app without any problems.

Answer 2

by any chance not java 7?

Answer 3

jdk7 doesn't sign apk correctly.
But it doesn't seem to be your case.

Answer 4

If you are trying to update an existing application from the market, then it looks like the developer or publisher has changed the certificate. In this case, the system will refuse to update. You can try to first remove the old version using the application manager and then install it from the market again.