Hello Terry,
Thank you for your feedback about your issue to reinstall new Windows 10 or Windows11 VMs
In order to proceed with further investigation, kindly provide us with the below information:
1. Reproduce the issue.
2. Take screenshots of the errors.
3. Collect a technical report (right-click Parallels icon in Dock > Help > Send technical data > check "Attach screenshots..." > press Send Report) and send the report's 9-digit ID in a reply.
Thank you!