Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

Question

I am currently trying to compile and test a small Android Application.

I am using Eclipse, and have SDK 4.2 (Api Level 17) installed. I\'ve set

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Answer 1

In Marshmallow, I got this error,

Installation error: INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE
Please check logcat output for more details.
Launch canceled!

Looking for solution I searched and came here. I deleted the app but still have this problem in Nexus 6. Later found that in,

Settings > Apps > [My app name] have to removed for all user.