If you receive the following error message when uninstalling your Orphaned plugins..."Some of the orphaned plugin files failed to automatically uninstall. You will need to manually delete them." please follow this advice for manually deleting them:
Please ensure you have first quit Illustrator before attempting to remove one of our plug-ins.
macOS:
Delete plugin files from /Applications > [AiVersion] > Plug-ins
Windows:
Delete plugin files from C:\Program Files > Adobe > [AiVersion] > Plug-ins
Or from the "Programs and Features" in the Windows Control Panel (more advice on this as described by Microsoft here.)
This should resolve the issue however, if you continue to experience issues, please contact our support team providing as much of the following information as possible:
Full description of operation taking place and resulting issue including any error messages
The email address that your account is registered to
If using a Mac, do you have admin rights to your Mac user account?
Your operating System (including point release)
Your version of Illustrator (including point release)
Hardware Description (RAM, GPU, etc.)
Did you purchase any individual plugins from us pre-September 2019?
This will then be marked for the attention of our technical advisors, one of whom will investigate and reply to you as quickly as possible.