I try to install Zimbra Desktop 2.0 on Win XP SP3 and I can`t complete the installation because it show the following message when I try to execute.

A script on this page may be busy, or it may have stopped responding. You can stop the script now, or you can continue to see if the script will complete.

Script: file:///C:/Archivos%20de%20programa/Zimbra/Zimbra%20Desktop/win32/prism/modules/WebAppProperties.jsm:232
If I select continue, then shows this error:
Couldn't access Zimbra Desktop server. If issue persists after reinstall, please check logs for errors and report to Zimbra Desktop - Zimbra :: Forums.
Then I select OK and the application turn-off.
I follow the steps but the error persists.
Please help me.
Andres from Argentina.