Random BSOD when on internet

Can't explain it really, sometimes it crashes, sometimes it doesn't. But it happens way to often. I'm posting the required info, in the hope someone can see the light :)
Not connected to a router, just a cable in the wall, no wifi, Microsoft Secuirity Essentials as Antivirus

Is Windows 7 . . . - x86 - An upgrade from an OEM installed version - an OEM or full retail version? - OEM = came pre-installed on system - Full Retail = you purchased it from retailer - What is the age of system (hardware)? 2 years - Vista 2 years, Windows 7 1 month (have you re-installed the OS?) no, the disc won't install because of the updates the files are newer than on the disc

I really think i'm forgetting something, but feel free to ask offcource :)

Hello DMaarten, welcome to SF! Sorry we took so long, very busy here...

You might have some issues with devices, see your Device manager:

HTML Code:

Microsoft PS/2 Mouse    ACPI\PNP0F03\4&3032039E&0    This device is not present, is not working properly, or does not have all its drivers installed.

Your dump blames the driver below, please use the device name to download latest from nvidia or from mobo manufacturer.

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Name    [00000007] NVIDIA nForce 10/100/1000 Mbps Ethernet
Adapter Type    Ethernet 802.3
Product Type    NVIDIA nForce 10/100/1000 Mbps Ethernet
Installed    Yes
PNP Device ID    PCI\VEN_10DE&DEV_07DC&SUBSYS_01581025&REV_A2\3&267A616A&0&78
Last Reset    09/12/2011 22:42
Index    7
Service Name    NVNET
IP Address    145.116.7.120, fe80::b9aa:8839:b6c4:7f5c
IP Subnet    255.255.254.0, 64
Default IP Gateway    145.116.7.254
DHCP Enabled    Yes
DHCP Server    10.255.255.5
DHCP Lease Expires    09/12/2011 23:09
DHCP Lease Obtained    09/12/2011 22:42
MAC Address    00:25:11:19:72:E8
Memory Address    0xFE9F7000-0xFE9F7FFF
Memory Address    0xFE9FE800-0xFE9FE8FF
Memory Address    0xFE9FE400-0xFE9FE40F
IRQ Channel    IRQ 21
Driver    c:\windows\system32\drivers\nvmf6232.sys (7.3.1.7320, 288.35 KB (295,272 bytes), 11/11/2009 14:47)

Dump for future ref:

HTML Code:

Built by: 7601.17640.x86fre.win7sp1_gdr.110622-1506
Debug session time: Mon Sep 12 22:41:31.537 2011 (UTC + 2:00)
System Uptime: 0 days 4:00:58.427
*** WARNING: Unable to verify timestamp for nvmf6232.sys
*** ERROR: Module load completed but symbols could not be loaded for nvmf6232.sys
BUGCHECK_STR:  0x4E_7
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  System
FAILURE_BUCKET_ID:  0x4E_7_tdx!TdxSendConnectionTlRequestComplete+bd
Bugcheck code 0000004E
Arguments 00000007 000bec24 00000001 00000000
BiosVersion = R01-B4
BiosReleaseDate = 02/26/2009
SystemManufacturer = Acer
SystemProductName = Aspire X1700
MaxSpeed:     2330
CurrentSpeed: 2333

And.. maybe logical with your install probs, MSE could not activate.

What to do...:

1. Make sure all software is legit.
2. Do a clean install: Clean Install Windows 7

Then upload all JCGriff stuff again and we can check if some of these problems remain.