By "Crash" do you mean that the system completely "Hangs" and becomes non-responsive or some other condition like "Blue Screen Of Death" or "Power Down".
If the sytem "Hangs", then what type of mouse are you using? I had a problem with "Hangs" and narrowed it down to the Microsoft Mouse and Mobmeter. I uninstalled the Mobmeter, WINDVD, TV Tuner (Hardware and software), Mouse, DVD, and ALPS (Touchpad). Physically disconnected the TV Tuner and mouse. Rebooted and let windows pick up the new hardware (Touchpad and DVD). Rebooted, plugged in tghe mouse, and installed the drivers/software for it. Rebooted again, and installed the TV Tuner and drivers. Rebooted and teted things out. Then I only used Mobmeter every now and then (on Demand) rather than have it on at all times.
I have since replaced the AVer TV Tuner with an external one and My MS-Mouse with a Logitect one and have had no problems.