> Both computers have Norton Internet Security 2008.

Was NIS actively monitoring the systems when SP3 was applied ?
If so, then it corrupted registry subkeys or generated
' garbage ' keys that start with $%&
That's what's showing in the Event:

$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-.

See this thread for a resolution method:
http://forums.microsoft.com/TechNet/...7387&SiteID=17

Scroll down to the post by ' MRFREEZE61 ': Answer *solved* (For me
- Device Manager Empty / Network Connection Icons Missing

MowGreen [MVP 2003-2008]
===============
*-343-* FDNY
Never Forgotten
===============



JF wrote:

> I installed sp3 on both a Dell desktop (older Pentium III) and a Dell
> Laptop. Both computers have Norton Internet Security 2008. I connect to
> the Internet thru a wired router. The installation on both completed
> without error and I don't seem to have the predominate problems mentioned in
> this newsgroup. While both computers can connect to the Internet, they are
> no longer accessible or visible to each other. Previously I exchanged files
> between the computers without difficulty. All file sharing settings are
> active. The only evidence of any error during the installation is a
> "Symantec resource Protector Alert":
>
> Event Details:
> Actor:
> C:\WINDOWS\SOFTWAREDISTRIBUTION\DOWNLOAD\DD9AB5193 501484CF5E6884FA1D22F9E\UPDATE\FIXCCS.EXE
> (PID=1380)
> Target: \REGISTRY\MACHINE\SYSTEM\CurrentControlSet\Service s\Symantec Core
> LC\$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./0123$%&'()*+,-./012Unauthorized
> access
> Action: Unauthorized access
> Reaction: Unauthorized access stopped
>
> I have no idea how to proceed or what to check for to get LAN capabilities
> back. Any help or advice would be greatly appreciated.
> thanks
> Jerry
>
>