Alexa

Downloaded the latest software of Kodi on both my New Fire TV Box and Fire TV Stick and no problems with Kodi. Have noticed that Alexa has stopped woking on both the Box and Stick. Contacted Amazon Support and we removed Kodi and restset both units back to factory defaults. Alexa would still not work. Amazon Support said not their problem it was due to the Kodi Download must have Corupted the units. Just wondering if anyone has run into this problem or has a fix. My Kodi is now working just fine but with out Alexa