We can only guess without more informstion.
What operating system are you using?
What Browser do you use to access Facebook?
windows 7 is the system
In a message dated 7/14/2013 12:41:31 P.M. Mountain Daylight Time,
Re: Why do have to download adobe flash player every other day, when
playing facebook games?
created by C F McBlob (http://forums.adobe.com/people/CFMcBlob) in
Installing Flash Player - View the full discussion