2 messenger icons in my all apps list. 1 works well but another not work and do not uninstall

I updated my lumia430 to windows10, after updates there are showed two messenger icons (same name but different image) in the apps list. One of them works very well and another doesn't. Moreover it can not uninstall, delete or remove. It shows pin to startup and uninstall option by tap on it but do not uninstall. It also do not shows in app corner in settings. It is confusing and I want to remove it forever. How is it possible?

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