Random BSOD on Laptop

Looks to be associated with your Logiotech Web Camera:

Code:

BugCheck 50, {ffffe0005b99eca0, 0, fffff801b4656a93, 0}

*** WARNING: Unable to verify timestamp for lvuvc64.sys
*** ERROR: Module load completed but symbols could not be loaded for lvuvc64.sys

Could not read faulting driver name
Probably caused by : lvuvc64.sys ( lvuvc64+356a93 )

Followup: MachineOwner
---------

6: kd> lmvm lvuvc64
start             end                 module name
fffff801`b4300000 fffff801`b4787d80   lvuvc64  T (no symbols)           
    Loaded symbol image file: lvuvc64.sys
    Image path: \SystemRoot\system32\DRIVERS\lvuvc64.sys
    Image name: lvuvc64.sys
    Timestamp:        Mon Oct 22 22:12:08 2012 (5085FCF8)
    CheckSum:         004912C7
    ImageSize:        00487D80
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

As you can see, the driver is very old. Try finding an updated driver or uninstall the camera software.