Have you tried restarting your machine? Also, it might make sense to stop all Power Automate services before uninstalling to make it smoother.
If rebooting doesn't change the situation, try to install the latest version again and then uninstall it once more after stopping all related services.
-------------------------------------------------------------------------
If I have answered your question, please mark it as the preferred solution. If you like my response, please give it a Thumbs Up.
I also provide paid consultancy and development services using Power Automate. If you're interested, DM me and we can discuss it.