Use REGSVR32 to register PLServer.ocx in C:\Program Files\Fidelity Systems\Total Control Premier or C:\Program Files (x86)\Fidelity Systems\Total Control Premier.
Open Command Prompt as Administrator and run the following command:
regsvr32 "C:\Program Files\Fidelity Systems\Total Control Premier\PLServer.ocx"
or
regsvr32 "C:\Program Files (x86)\Fidelity Systems\Total Control Premier\PLServer.ocx"