Thanks your your reply, and sorry for the late response. I got another blue screen while typing this answer
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I ran WhoCrashed and it showed me this dumpfile:
On Tue 10-2-2015 07:46:34 GMT your computer crashed
crash dump file: C:\WINDOWS\Minidump\021015-45375-01.dmp
This was probably caused by the following module: tcpip.sys (tcpip+0x25D3A)
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF8012C663D3A, 0xFFFFD00099BAF700, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
file path: C:\WINDOWS\system32\drivers\tcpip.sys
product: Besturingssysteem Microsoft® Windows®
company: Microsoft Corporation
description: TCP/IP-stuurprogramma
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.