I downloaded a trial version for Pushpin Tool 2.4, and it was installed by our company's IT. However, it is not showing up in the toolbar in MapPoint. I tried to add this add-in in the MapPoint directly following the instructions, but the computer is giving me an error message"

'C:\Program Files\PushpinTool\PushpinTool.dll' is not a valid Office add-in"

How can we fix this problem. Do we need to perfrom the add-in under the administrator's login? I need to find out if this tool can do what it says it will (one click on a selected area and all ballons are opened) before buying.

Thanks,
CY