Remote hardly working

I have installed atv flash and when using the remote it makes the light flash on the front be hardly responds on the screen its like its frezzing or not responding? takes lots of presses to move across the menus.

any help would be gladly received

Thanks

Are you running XBMC or Boxee? These apps tend to use a lot of system resources which, over time, can lead to slowdowns. You may try restarting the AppleTV to see if the issue resolves itself.