Hi,
Thanks for posting on our forum!
Basically, we do not uninstall windows server 2019 core but convert it to windows GUI. Here is a blog whose issue is similar to yours:
https://learn.microsoft.com/en-us/answers/questions/51976/how-to-uninstall-windows-server-2016-core-from-my.html
In addition, if you want to use commands, you can also read this article:
https://www.fastvue.co/sophos/blog/switch-between-windows-server-core-and-full-gui-the-easy-way/
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
PS. The command that converts core to GUI is described in the last part of the article.
Thanks for your support! Besides, if you think my work is helpful, would you please help me Accept Answer. An accepted blog can be put on top of our forum, so that people who have a similar issue can get access to their solution more quickly.
BR,
Joan
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