hi, i can no longer view videos on line, i get a message saying that i need to install flash player to view the content. i have woindows 8 and have the flash player enabled with active filtering off. i didnt have this issue last week, can anyone help

hi, i can no longer view videos on line, i get a message saying that i need to install flash player to view the content. i have woindows 8 and have the flash player enabled with active filtering off. i didnt have this issue last week, can anyone help?