Error Message when trying to update AD Manager

Error Message when trying to update AD Manager

AD Manager Build 6300, I am trying to update to 6500. In the update manager i browse to the .ppm file, but when I click Install I get a pop up message saying "Please Start and Stop the Server once before Applying this Service Pack!"

I have stopped and started AD Manager several times since applying last update, AD Manager has ran 8 days since last updated. I have ran StopADSM.bat and StartADSM.bat
nothing is working. Please help? Is this saying I need to restart the actual server itself, not just AD Manager?
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