Just for interest: See here: https://www.wilderssecurity.com/showthread.php?t=350337 With my config: (of course multiple background services etc etc) using WSA and after updating FF and the Flash player, going through 'elimination' drill, I had to turn off WSA to get flash pages to load. That,obviously, was not a good option. Bit more research...Subsequently, turning off the FF "crash reporter" stopped the problem. Now WSA on and no current lockups. There seems to be lots of posts here and there suggesting some problems with the FF reporter, LOL, never mind the complaints about Adobe and FF together and the really hairy suggestions on Mozilla forums. Anyone care to try and reproduce? Any one else had similar?