Sorry to hear you are having trouble installing Adobe XD. This error mainly occurs because of issues with network connectivity. As you've tried the basic troubleshooting steps. Please check out this post: https://community.adobe.com/t5/download-install/re-install-error-p205/m-p/10097991?page=1 and try the suggested solution in the correct answer to this post.
Let us know if that helps.
I am also moving this discussion to our Download and Install team so that our experts on commun...