Last week I became unable to use Youtube, Grooveshark and other sites that use Flash. On Youtube I just get a black box and when I right click on it it says "movie not loaded". Grooveshark tells me I may have a flash blocker, which I have not consciously installed. Also, when I try to log on to IMDB I just get a big empty white box instead of the sign in fields.
I am using Windows 7 and Firefox 20.0.1 and Adobe Flash Player 11.7.700.169
I did some research online and already addressed all the issues that people claimed could cause this problem.
I have already tried: re-installing Flash, re-installing Firefox, switching over to Google Chrome, cleaning my cache and doing a system restore. Nothing worked.
Does anyone have any other suggestions to fix Flash? Any ideas what might be going wrong? Could it be resulting from a Windows update? Did something get deleted when I ran a Ccleaner scan to wipe free space? How can I get Flash working again?