The windows update sometimes creates issues. I've had this happen to me two times. I rolled back to the Firefox 8 and didn't have any problems, however one thing you can try is to increase your timeout range and try that. If its loading fine in linux we have to assume its not systemic, but is an OS issue. How long does it hang before you get the error?

Thank you for your reply. I have now deleted all firefox and loaded version 8. My problem stays. There is 37 secs before it says "it long"