NETBIOS-NS datagrams being sent to AVAST update server - WHY ?

[tsdjik23]

Hello

Since I installed Avast! Free Antivirus version 5.0.545 I have noticed NETBIOS-NS packets being sent to the Avast Update server.

Can anybody explain why ?

My PC is Windows XP sp3 (fully patched with MS automatic updates)
Netbios is fully installed as It gets used in my home network.

Thanks

[CharleyO]

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Welcome to the forums, tsdjik23   

Since they are being set to the update server, I would guess it is a check for update information ... such as does your version of avast need an update.


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[tsdjik23]

Thanks Charlie

this is not HTTP traffic it is NetBios-ns traffic so it has NOTHING to do with the actual update.
my updates complete as per requirement. 

I was trying to establish why Netbios would even be bothering to connect
to AVAST - what can be spawning the netbios-ns to try to resolve a remote address.
Netbios-ns is not a requirement of the operation of AVAST.

I am currently working on why netbios feels the need to resolve the name at all.

However, I thought I would find out if anybody here at Avast would like to
provide some customer service by commenting on this strange new activity.