is this update required or optional: KB897663

[Guest]

Update for Windows XP (KB897663)
Install this update to ensure that a firewall exception created via the
registry is listed in the Windows Firewall interface the same as if the
exception was created in the interface itself. After you install this update,
you may have to restart your
computer.http://www.microsoft.com/downloads/...4B-B2C4-4207-B1B9-1C988698C888&displaylang=en

Is this update required to be installed or optional?

 

[Torgeir Bakken \(MVP\)]

Update for Windows XP (KB897663)
Install this update to ensure that a firewall exception created via the
registry is listed in the Windows Firewall interface the same as if the
exception was created in the interface itself. After you install this update,
you may have to restart your
computer.http://www.microsoft.com/downloads/...4B-B2C4-4207-B1B9-1C988698C888&displaylang=en

Is this update required to be installed or optional?

Hi,

It's an optional update.

More about the issue here:
http://support.microsoft.com/kb/897663

and here:
http://www.microsoft.com/technet/security/advisory/897663.mspx