Il computer si è fermato sulla schermata blu, allego estratto bluescreen, cosa può essere accaduto?

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Dump File : 031115-26052-01.dmp
Crash Time : 11/03/2015 03:30:12
Bug Check String : SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
Bug Check Code : 0x1000007e
Parameter 1 : ffffffff`c0000005
Parameter 2 : fffff880`06fbbdfa
Parameter 3 : fffff880`0358c1c8
Parameter 4 : fffff880`0358ba20
Caused By Driver : CPUSB.sys
Caused By Address : CPUSB.sys+3901
File Description :
Product Name :
Company :
File Version :
Processor : x64
Crash Address : CPUSB.sys+dfa
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\031115-26052-01.dmp
Processors Count : 8
Major Version : 15
Minor Version : 7601
Dump File Size : 262.192
Dump File Time : 11/03/2015 06:10:32
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