Vista - having probs playing online or install games

Having same prob with my vista,i download family feud 2 and was going
to
play and was told i could not cause of parental control,i disable and
still could not play,had to uninstall the game because it was stress
me out,but before this game i was already having another game prob
with other games,having probs download games and the ones that was
already install wont let me play,i can't play no games at all,not
from
pogo,iwin,bigfish or any other web pages,keeps telling me few
different problems,some says game launcher,glworker,ect ect,i already
did disk deframenter,scanner for virus,scan for spyware and
adware,everything is fine,can anybody help me here or any suggetions
what to do,thanks so much.
Helen