Try looking at the web player log. If nothing's interesting there, try to narrow down the area of the code which triggers the crash (game depending on object initialisation order, which might be random if you're not controlling it?).

If you manage to create a very small project for which the crash still occurs, and you still can't fix it yourself, please submit a bug report with the project and clear repro steps.

Same Problem. Please find FF error report below. Add-ons: toolbar@alexa.com:1.4.7,firefox@facebook.com:1.4.3,{3112ca9c-de6d-4884-a869-9855de68056c}:6.1.20091216W,{35379F86-8CCB-4724-AE33-4278DE266C70}:1.0.4,{23ad39a3-36e7-4d8e-92d2-ba116ee32c45}:1.0.3,{af30f43d-349a-4501-a326-7298b2f1a769}:2.5.6.0,{972ce4c6-7e08-4474-a285-3208198ce6fd}:3.5.7 BuildID: 20091221164558 CrashTime: 1266580109 InstallTime: 1263380047 ProductName: Firefox SecondsSinceLastCrash: 945220 StartupTime: 1266580016 Theme: classic/1.0 Throttleable: 1 URL: http://cdn2.unity3d.com/setup/ Vendor: Mozilla Version: 3.5.7

This report also contains technical information about the state of the application when it crashed.

Your Unity web player is rebooting my whole computer down every time it crashes is there a way to stop this from happening

*I have questions ! 1) your unity web player when it crashes "REBOOT MY WHOLE COMPUTER"How do I fix or will I have to remove all games and and Player from system? If you could help it would be greatly appreciated

do not open any application that using in the same time tne unity web