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Internet Not Working After Avast Scan


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#1 afrolawnmower

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Posted 07 July 2014 - 04:41 PM

Hi all,
 
I've recently run a full virus scan on my Windows 7 PC using Avast  (free version) and for some reason the Internet doesn't work. Here are my observations
  • I can connect to my router (which works with other devices). In windows it says it's connected with Internet Access. Also doesn't work if I try connected to other routers. 
  • In all browsers I get a "This webpage is not available" message, or something similar. For example in Chrome, in the status bar it gets as far as "Resolving Host.." then I can the error.
  • Tried using "Complete Internet Repair" Tool, with all options selected. No luck
  • Uninstalling Avast doesn't work
  • Have the same issue in Safe Mode (with networking enabled) - no luck
I need to desperately get my internet back up work purposes and I don't know why software that is supposed to enable my computer has effectively disabled it. 
 
Any help with this would be is most appreciated, I'll be very grateful! :)
 
Thanks
 
Adrian


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#2 JohnC_21

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Posted 07 July 2014 - 05:03 PM

Hello and Welcome,

 

Since you did the Internet Repair, the following may not work. Malware can mess with Winsock and Tcp/ip

 

Type CMD in the search box. Right click "Run As Administrator"

 

At the prompt type: Enter after each command

netsh winsock reset catalog 
netsh int ip reset resetlog.txt

Reboot. See if you can connect.

 



#3 afrolawnmower

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Posted 10 July 2014 - 05:28 PM

Thanks John for the suggestion

 

No luck I'm afraid. Although running Malware Bytes does bring up 50 odd threats. I run the cleaner and they are still they're after I reboot!

 

Any other thoughts?

 

Adrian 



#4 JohnC_21

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Posted 11 July 2014 - 06:40 PM

If the threats are still there after reboot, I would start a thread in the 

Virus, Trojan, Spyware, and Malware Removal Logs Forum

  Be sure to read the sticky at the top of the Forum. You have to post a couple of attachments per the instructions along with an explanation of what you have done so far. Good Luck,






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