we encounter problems with the latest two versions of the Flash player (257 and 265)
in several video platform, like youtube the videos stops playing after several seconds, if you scroll forward it continoues for several seconds (somethin around 10-12 seconds) and then stops again.
we are using Internet Explorer 8 on w2k3 and w2k8R2 systems
on our w2k3 test machine the problem seems to be solved with the 265 release.
on our w2k8 test machine the problem still perstist with the 265 installed.
rgds from Germany,
There are several topics with similar symptoms, but I don't think anybody has found an answer yet, as it only occurs on some few systems.
What I would try if I encountered the same problem: