I'm sorry I didn't make it clear, but if you have Nvidia Control Panel installed you do not need GeForce Experience.
Try uninstalling from Settings > Apps > Apps & Features. If the app cannot be installed from there then here is how to uninstall Apps that cannot be uninstalled:
https://appuals.com/how-to-uninstall-programs-o... (Avoid ad links which intrude into editorial copy, especially avoid Restoro, PC Repair Tool and Reimage ads)
https://www.techradar.com/news/software/10-tips...
https://techcult.com/force-uninstall-programs-w...
https://www.pcmag.com/how-to/how-to-uninstall-p...
https://www.youtube.com/watch?v=crBl9khg_UM
Feel free to ask back any questions. If you'll report back results for each step it can help determine what else needs to be tried. I will stick with you until it is fixed.
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