Network Preferences pane gone mad

Hi All,
After I ran an ISP supplied software CD my Network Preferences pane just went mad. Every time I open the pane immediately a window drops down carrying the message
"Your Network Settings has been changed by another application"
I click "OK' but a fraction of second later the same message drops down again. Click "OK" and the sequence repeats again; and again; and again.
In effect this prevents me from changing any Network settings manually (when the message is shown everything is blanked out)
Unfortunately I forgot to run uninstall before cancelling the service and returning the software CD to the ISP. Now I have trouble getting any information what files might have been installed.
Any ideas where to look for and that files to delete to get rid of the issue???
Thank you in advance.
Ivo

"Your network settings have been changed by another application":
[http://discussions.apple.com/thread.jspa?threadID=1806608&tstart=0] - move : Main level of drive > Library > Preferences > SystemConfiguration > NetworkInterfaces.plist out of that folder (will require resetting Airport settings)
[Link to Topic|http://discussions.apple.com/thread.jspa?messageID=8340541&#8340541]
[Link to another Topic|http://discussions.apple.com/thread.jspa?messageID=8292814&#8292814]
['Your network settings have been changed by another app' - THE SOLUTION|http://discussions.apple.com/thread.jspa?threadID=1730909&tstart=0] - well, maybe a solution.
[Stopping the pop-up|http://discussions.apple.com/message.jspa?messageID=8558637#8558637]
[Pop-up - Your network settings have been changed by another application|http://discussions.apple.com/thread.jspa?messageID=8309498#8309498]
[Post by BDaqua|http://discussions.apple.com/message.jspa?messageID=8706457#8706457]

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