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Netrwork but no Internet

Client's PC. Approx 4 year old Dell running Vista.

This weekend it stopped accessing the Internet, but is fine accessing local network. He took it to local computer store they prvided new network card, made no difference.

I have had a look at it. I have checked the network device settings, all ok
I have tried a ping, didn't connect.
I have tried WinsockFix Utility, made no difference.
 I have renewed ip.
Won;t even see the router (ping and browser) on two different broadband connections.
It has McAfee, I wonder if this is the cause? I am unable to uninstall it because I do not have the disks to re-install it.

This is very odd. All suggestinos welcomed.
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gerlis
Asked:
gerlis
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3 Solutions
 
smckeown777Commented:
Sounds like McAfee possibly

Since it can access 'local network' that means its receiving IP yes?
Can you ping the local IP itself?

If so that means TCP/IP is functioning ok, so its outgoing traffic that is being blocked and therefore more than likely something in McAfee has gone wrong...in which case only option is an uninstall to test/fix
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chubby_informerCommented:
local firewall prob...

try using a different account on the same machine - AD issue
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rindiCommented:
Why reinstall McAfee? There are other Antivirus utilities which are just as good, or better, (the one I use is free, Panda Cloud Antivirus).

If he really wants to keep on using it, it is probably downloadable from the McAfee site. You just need to make sure you have the license key and that it is for the same version. To get the key you can use SIW:

http://www.cloudantivirus.com/en/#!/free-antivirus-download
http://portableapps.com/apps/utilities/siw_portable

If it doesn't properly uninstall, there should also be a tool available from the McAfee site that completely uninstalls it's products.
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gerlisAuthor Commented:
Thanks All

It has an ip allocated (by the router).
Pinging itself (presume you mean 127.0.0.0) doesn't work. Returns a 'General Failure'.
AD not relevant as this is not on a server network, it's a standalone or part of a workgroup.
I will have to ask my client if I can uninstall his McAfee.
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smckeown777Commented:
Well if it doesn't ping localhost(127.0.0.1) then its possibly a TCP/IP issue still
I meant can you ping the allocated IP that it obtains from the router(but if you can't ping localhost then no point I don't think)

I'd start with McAfee, since you've done most of the other fixes at this point...

If its obtaining an IP from router though I'm surprised you can't ping its IP...
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gerlisAuthor Commented:
It WAS McAfee! As soon as I began to uninstall it, Internet access worked!

My client can probably re-install it (it was a download) as he has the username he used. Or I can do it for him. For now I have put on MS Security Essentials
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gerlisAuthor Commented:
It WAS McAfee! As soon as I began to uninstall it, Internet access worked!

My client can probably re-install it (it was a download) as he has the username he used. Or I can do it for him. For now I have put on MS Security Essentials
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smckeown777Commented:
3rd party software...always causing issues!
When related to network connections its usually always the AV/firewall products as they integrate into the windows sub-system to protect connections etc...glad it worked out
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rindiCommented:
McAfee probably includes a firewall (like many AV tools these days), and that in my point of view is totaly unecessary as the Built-in Firewall of Windows since XP is already very good, a 3rd party firewall only adds to the complexity. If possible if you need to reinstall McAfee, try to not also install the firewall, or at least disable it.
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gerlisAuthor Commented:
Thanks to all who contributed. Not sure how to handle it now. I had already suggested that McAfee was perhsps the cause, and a couple of you followed that as a possibility.

So I will split points between smckeown777 & rindi?
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smckeown777Commented:
Yep, sounds fair, cheers...
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gerlisAuthor Commented:
great.
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gerlisAuthor Commented:
As a postcript, you may all be intererested to know that the cause was a "dirty" McAfee update. McAfee ought to clean up (pun intended) their act! My client received the following email from them today:


---------- Forwarded message ----------
From: McAfee <subscriptions@mcafee.com>
Date: 31 August 2012 03:51
Subject: Action Required: Important Update for your PC - 2nd Notice
To: aaaa




Service Notification Action Required
Dear nnnnn,

McAfee recently released a software update that may have caused you to lose internet connectivity and/or receive desktop error messages from McAfee. We apologize for this inconvenience.

To fix these issues and update your McAfee software, please click here for detailed instructions. If you need help, please contact our customer support team via web chat or phone at 020 7949 0107.

Again, we apologize and are working diligently to solve this matter quickly and effectively.
Sincerely,

The McAfee Team
[ You are currently subscribed as: aaaa]

[This message is being sent to McAfee customers who registered their e-mail address with us. If you prefer not to receive future e-mails from McAfee, unsubscribe below.]

Please do not reply directly to this email. This email was sent from a notification-only address that cannot accept incoming email. For support-related questions, see the links below.

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