My servlet and  the Different OS

Hi
When a form is posted to a servlet from a web page, the request is handled by the servlet and a response is sent back to the client without any problem ( only if the client is using Win 98 , 2000 or NT )
But if any the clients is using winXP the servlet handles the request twice ?? ie the form seems to be posted twice
Can someone please help on why this happens with WinXP .
I have tried to set the winxp explorer options but to no vail
Regards
IB

Try to use a HTTP sniffer to see if your browser under winXP is really sending 2 HTTP REQUEST.

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