Ok, thanks i will update the post as soon i have problems again. I have 2 LAN Cards, both are realtek. First is a realtek 8139 this is in use and the second card is disabled. The 8139 card is updated. Now i will remove the AVG antivirus. Thanks.
I have win 7 x86 and i get a blue screen who said something about memory dump. I attached de .dmp files. Any help will be appreciated Thanks in advance