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Kudos0

After version update Firewall gives: "Windows Subsystem is attempting to access another system using NetBIOS file and print sharing"

I have noticed that after the last few Norton Security major updates (ones that require a re-boot)  e.g. 22.17.1.50 that I received this morning ...  I receive the following Firewall warning:

"Windows Subsystem is attempting to access another system using NetBIOS file and print sharing"
(via UDP / Port 137)

It's very specific and only happens after a version update.

Any thoughts appreciated!

Thanks!

Replies

Kudos0

Re: After version update Firewall gives: "Windows Subsystem is attempting to access another system using NetBIOS file and print sharing"

Is that a Windows firewall warning? If so, there is a very short time during the update that Norton is not handling the firewall duties. ie maybe one or two seconds.

It may be monitoring some local network connections.

Things happen. Export/Backup your Norton Password Manager data.
Kudos0

Re: After version update Firewall gives: "Windows Subsystem is attempting to access another system using NetBIOS file and print sharing"

Thanks for the reply!

Sorry I should have added more detail.

After the update the alert is given on SOME subsequent reboots as well.

It is a Norton (not windows) alert (screen-shot attached), and it seems to disappear after some number of reboots/power-cycles ..... maybe 20 or so?   (maybe firewall rule updates?)

File Attachment: 

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