Google Sketchup 7 IE Script Error on load

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Hi i have just upgraded google sketchup free to v7 but when i launch the program i get an internet exporer script error every time. i have disable script debugging etc in IE but this did not fix the problem

Running win XP Pro SP3
IE7
Latest Java Flash Etc as this is a new build.

has anyone come across this problem

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just running windows update to see if i have missed anything

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ok i see what the problem is

We have a frog vle boxas a proxy for some filtering and if i go round the proxy it works as it should a little bit more investigation needed