SmartPortlets: Remove from one page (not all pages)

Hi All-

For a SimplePortlet, how can I remove the portlet view from one page only (e.g. the login page)?

I’ve removed all standard plone portlets from the login page, but can’t seem to figure out how to remove a SmartPortlet (yet still display in main areas, once the member is logged in).

Instead, the login page tries to render the SmartPortlet page and displays error:

“Error AccessControl.unauthorized.Unauthorized on here/smartportlets_tool/my_custom_portlet/smartportlet : You are not allowed to access ' my_custom_portlet' in this context221;

Thanks,

-wendi

Plone 2.5.2, Linux (FC5)