Have tried all the trouble-shooting steps in Flash Player Help (reinstalling, removing Caches, fixing Security settings, Storage Settings, etc.) until my eyes are crossed. This surfaced recently (probably with the latest Flash Player Version (11.6.602.180) I have Win7 32 bit, and this occurs with FireFox, IE9 and IE10.
An example of a video which crashes the player after a short time is :"http://www.amazon.com/gp/product/B003MHAR74"
