flashplayer11.3.300.257

I have tried to load flash 11.3.300.257 3 times because I wanted to view some trailers on vudu and kept getting that prompt. So 3 times I get msg you are now running flashplayer l go ahead and restart my laptop go to programs no flashplayer......also get same message at vudu keeps prompting me to download this version of flash player HELP this is just a pain now I dont even care about vudu just whats the deal?????