BSOD when I put my computer overnight

Normally when I use my computer, it does not get BSOD. It only happen when I put my computer overnight for downloading stuff or just put it idle overnight, then sometimes it will get BSOD. I have no idea why it happens. Here I attach my dump file and hope someone can help me to analyse. Thanks a lot!!

Two of your errors are 0xFE: BUGCODE_USB_DRIVER

This usually indicates a USB driver problem. According to auhma.org the answer was to make sure you had the latest service pack installed but that advice came pre-SP3. So if you have SP2 I think you should be okay.

The other error was an 0xA and this can be caused by either hardware or sometimes drivers.

* In all three the driver cited is snpstd3.sys which is a USB PC Camera driver by Sonix Co. Ltd. I suggest going to their website and get their latest USB driver offerings for your particular camera.