Help! Update edge 520 v.12.10 Xert player fail

I update at the last versión of edge 520 12.10 and the app not run…

Rober, this has been reported by an number of users. We are working with Garmin to resolve.

Ok i try to downgrade firmware…

A fix has now been posted to the Garmin App store. Please update your player (may require uninstall/reinstall). Let us know if you continue to encounter any issues.

Gracias Armando! Gran atención y servicio