Class not Registered when Export to SAP BusinessObject Plateform

Hi all visitors

i have installed Crystal Report Server on my PC.

i want add the flash to to Crystal Report Server by go to File->Export->SAP BusinessObject Platform then

it shows me the message " Class not Registerd " then

The "Log On to BusinessObjects Enterprise" dialog box appears.

in System: I input my CMC(http://administratorPC:8080)

username:administrator

pwd:myadmin~

but at the Authentication, it doesn't show anything.

Note: before i follow this step and there is no message like this.

Best Regards