Hi BaumEric-2849,
No application should be able to reinstall this independently. Are you sure it's being fully removed? Have you rebooted after the reinstallation, as it may be reappearing after a reboot.
I suggest installing the latest version:
https://dotnet.microsoft.com/en-us/download/dotnet
I do hope this answers your question.
Thanks.
--If the reply is helpful, please Upvote and Accept as answer--