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A few questions, simply out of curiousity (internet connectivity)


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6 replies to this topic

#1 Faze91

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Posted 24 February 2015 - 03:31 PM

Good evening everyone,

 

I just had a connectivity problem and I was able to fix thanks to this forum. I was just wondering if someone could try to explain to me what exactly was my problem, why it happened, and how the fixing worked.

 

-My problem was the following (not my topic, but same problem) :

 

 http://www.bleepingcomputer.com/forums/t/518464/ran-adwcleaner-now-cant-access-internet/

 

-Here is what solved the problem (just like for the original poster) : 

 

Go to Start ... Run and type in cmd
A dos Window will appear.
Type in the dos window: netsh winsock reset
Click on the enter key
.

 

Now what exactly happens here ?

 

Thanks in advance and sorry for my english.


Edited by hamluis, 24 February 2015 - 04:21 PM.
Moved from Win 7 to Networking - Hamluis.


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#2 JohnC_21

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Posted 24 February 2015 - 03:58 PM

This resets Winsock. Some malware or PUP place themselves in Winsock. When it gets removed, you can no longer connect to the internet because it corrupts winsock. Even if the item is not malware, sometimes winsock gets corrupted when you remove the program and it then needs to be reset to default. For an explanation of Winsock see this and this. You can view your Winsock entries using Minitoolbox. If you have itunes installed you most likely have Bonjour in Winsock.



#3 quietman7

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Posted 24 February 2015 - 04:41 PM

Expanding on JohnC_21's comments.

Internet connectivity problems can occur for a variety of reasons to include corrupted networking software installation, third-party software inserting itself into the network adapter settings, misconfiguration or corruption issues with TCP/IP protocol stack and Winsock due to malformed LSP, deletion or incorrect removal of networking software and removal of a malware component which had inserted itself into the winsock.

The netsh winsock reset command resets Winsock Catalog to a clean state or default configuration. It removes all Winsock LSP (Layered Service Providers) previously installed, including the potential malfunctioned LSP that causes loss of network packets transmission failure.
 


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#4 Faze91

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Posted 25 February 2015 - 01:48 PM

Thanks a lot for your answers !



#5 quietman7

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Posted 25 February 2015 - 02:01 PM

You're welcome on behalf of the Bleeping Computer community.
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#6 longnailsredhair

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Posted 26 February 2015 - 06:24 PM

I am also having an internet problem. My wireless keeps going off and on with a limited connectivity. It's still connected but I can't do anything. So I have been disabling it and re-enabling it to get it back. Some times this will work for a long time and then other times it goes back off again in like 15 to 30 minutes. Is my wireless about to die on me or what???  HELP!!!    Thanks



#7 quietman7

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Posted 26 February 2015 - 06:35 PM

That happens to me a lot too. My problem is that I reside in a rural area far away from the Verizon towers so the signal is not that strong. Even when things are going ok, I never get the maximum benefit. I find resetting the WiFi helps more than disconnecting, then reconnecting. However, this is an entirely separate issue from the OP's problem in this topic.
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