MDSD Application Start Error

Hi Folks,
I've followed all the instructions to install the MDSD client in our device, however I am getting the following error at the trace display option:
"MDSD30_SP02 cannot be accessed because com.sap.dsd.appctrl.DSDMain cannot be instaniated  Reason: com.sap.dsd.appctrl.DSDMain"
Can anyone help me through this. Am I missing something?
Really appreciate any help.
Regards,
Gilberto Li

Fixed installing MI Client Patch that came with MDSD 3.0 downloaded zip

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