Some browsers (Ex: Internet Explorer, Firefox, ...), or some toolbars (EX: Yahoo toolbar, Google Toolbar, ...) block popup windows. If you have some difficulties, here are some links: HINT: Hold down the CTRL key when you try to click on the SUBMIT or OK buttons. This probably doesn't work with all blockers, but it's a good indicator that you have one. YAHOO TOOLBAR http://help.yahoo.com/l/us/yahoo/toolbar/features/popupblocker/basic/pub-13.html GOOGLE TOOLBAR http://toolbar.google.com/popup_help.html MSN TOOLBAR http://search.msn.com/docs/toolbar.aspx?t=MSNTBAR_CONC_AboutPUB.htm INTERNET EXPLORER http://www.microsoft.com/windowsxp/using/web/sp2_popupblocker.mspx FIREFOX http://www.mozilla.org/support/firefox/options#content