How to stop dfx pop up message,

I KEEP GETTING THE FOLLOWING MESSAGE:

PRESS OK TO CONTINUE YOUR DFX TRIAL.WITH DFX PLUS DFX Audio Enhancer - Boost Your Sound

YOU WILL ENJOY UNINTERRUPTED DFX AUDIO ENCHANCEMENT.PRESS ORDER BUTTON FOR ORDERING INFORMATION.

( I am trying to figure out how to get rid of that pop-up message.)

Hi,
Sorry but support for the old versions has ended.
You can read more about the decision through the link below.
Strongly advise you to download and install the new free version which can be found on fxsound.com.
Greets,
doolhoofd
We've Discontinued Support of DFX and FxSound Enhancer