Solved: Internet problems - ISP could not help

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Fellerts

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Dec 22, 2011
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I'll try to explain my difficulties in detail:

I cannot acces certain websites during certain hours of the day, but the problems occur irregularly. Chrome cannot access adobe.com, steampowered and some rather important norwegian websites (error: connection interrupted), neither can IE or Firefox. During these hours, Steam won't connect to the servers. I only have a switch in my house, I'm on a fiber cable so the routing is done at the ISP's central. I tried calling my ISP, but the guy had no idea how to fix it, and he had never heard of anything like it, so no help there.

I tried disabling my firewall, but still no connection. I'm certain that this has to be some sort of Win 7-related software problem, because I only have this problem on my Win7 ultimate 64 bit and my Win7 enterprise, not on XP or Vista.

A reboot of the computer fixes the problem, but it keeps coming back. I need a permanent fix!

Thanks in advance :)
 

TerryNet

Terry
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80,622
What firewall?

Make sure you have the latest ethernet driver--preferably from your PC (or motherboard) manufacturer's site. If you already have the latest reinstall it anyhow in case the installed instance is corrupted.

(From a JohnWill post)

TCP/IP stack repair options for use with Vista or 7.

Start - All Programs - Accessories and right click on Command Prompt, select "Run as Administrator" to open a command prompt.

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log

Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log

Reboot the machine.
 

Fellerts

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Joined
Dec 22, 2011
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4
Thanks for the reply, and thanks for re-opening the thread.

I downloaded what seemed to be the ethernet drivers for my mobo (Asus P8P67-LE), and I also carried out the commands you suggested. After a reboot the problem seems to be solved for a couple of hours, although that doesn't get me anywhere because a reboot does solve the problem for a few hours anyway. After that I'm back to square one. The firewall I was talking about is the computer's firewall, just the standard windows firewall. This is complicated, though, because I'm behind a main firewall and NAT (whatever that is) which are both located and controlled by my ISP. As I said, my ISP has no idea what the problem might be.

I'm near desparation on this one, any help is very much appreciated!
 

TerryNet

Terry
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Mar 23, 2005
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80,622
Did you ever have another firewall or security suite on the system? If so, which one(s)?

What other security applications (anti-virus, anti-spyware, etc.) are running?
 

Fellerts

Thread Starter
Joined
Dec 22, 2011
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4
I only have Avast antivirus installed, which has its own firewall. As far as I can tell, turning its firewall off doen't change anything either.
 

Fellerts

Thread Starter
Joined
Dec 22, 2011
Messages
4
I replaced my Avast with AVG (completely arbitrary) and deactivated the Windows firewall, after 4 hours I still havent experienced any problems! Seems like there was a firewall conflict! I am extremely relieved, thank you so much, TerryNet! You have no idea how frustrating this has been, and nobody have been able to help me. Thanks again! :D
 

TerryNet

Terry
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Mar 23, 2005
Messages
80,622
You're welcome. :) After a day or two if the issue doesn't return you can mark this solved using the
button at the upper left of the page.
 
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