The netw5s64.sys is an Intel Wifi driver. So get the latest driver from Intel and look if this fixes it.
The new dump shows that it can be caused by Avast (aswSnx.sys):
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
SYSTEM_SERVICE_EXCEPTION (3b)
An exception happened while executing a system service routine.
Arguments:
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff80002f59990, Address of the instruction which caused the bugcheck
Arg3: fffff8800b568130, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.
Debugging Details:
------------------
EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - Die Anweisung in 0x%08lx verweist auf Speicher 0x%08lx. Der Vorgang %s konnte nicht im Speicher durchgef hrt werden.
ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre
LAST_CONTROL_TRANSFER: from fffff80002f2043a to fffff80002f59990
STACK_TEXT:
nt!KeBugCheckEx
nt!KiBugCheckDispatch
nt!KiSystemServiceHandler
nt!RtlpExecuteHandlerForException
nt!RtlDispatchException
nt!KiDispatchException
nt!KiExceptionDispatch
nt!KiPageFault
nt!RtlCompareUnicodeStrings
nt!RtlCompareUnicodeString
aswSnx
0x0
IMAGE_NAME: aswSnx.sys
FAILURE_BUCKET_ID: X64_0x3B_aswSnx+2cb3a
BUCKET_ID: X64_0x3B_aswSnx+2cb3a
ANALYSIS_SOURCE: KM
FAILURE_ID_HASH_STRING: km:x64_0x3b_aswsnx+2cb3a
Loaded symbol image file: aswSnx.sys
Image path: \??\C:\Windows\system32\drivers\aswSnx.sys
Image name: aswSnx.sys
Timestamp: Mon Oct 14 19:01:10 2013