Browser(s), including version?
Are you installing the player after downloading it?
I have Windows 7, I'm using Internet Explorer, and yes I installed the player after downloading it. It's just that one web site that I'm having problems with. On Saturday it worked perfectly fine, it's just now all of a sudden saying
"You must have Adobe Flash 10 or newer installed to use GDP11."
Which version of IE are you using. According to this page, Gregg College Keyboarding, 11th Edition – MHHE Digital Support Center, IE 7-10 are supported. Flash Player no longer supports IE7. Is your version of IE one of the supported versions, for both the site you are attempting to view, and Flash Player (IE 9 or10)? If you have IE 11, have you tried changing the Compatibility View Settings for the site? The main site you posted in the original comment doesn't have Flash content, so I'm assuming it's after you log in that you are experiencing these issues. If the domain (cf.gdp11.com) changes after you log in, that will be the domain to add to the Compatibility View Settings.
Thank you for the help, I talked to one of my friends and he suggested downloading another search engine so I downloaded Firefox and it's working on that. Thank you again