Hi there

Please have look on those links

http://www.macworld.co.uk/news/mac-software/blocked-plug-iplayer-4od-how-do-i-get-it-back-3428948/

https://forums.adobe.com/message/6288150

http://www.macrumors.com/2014/07/10/apple-forcing-flash-plug-in-upgrade/

Seems you are probably downloaded latest Flash and Air and this has causing those issues 

Thanks,Jura