Hi,
Firstly, thanks for reaching our forum but kindly note that correct tag will help you to receive accurate and effectively support from relevant experts.
From your description, you are inquiring if any method could help to get back the deleted registries while our remote desktop client forum is mainly focusing on technical problems on clients applications used for remote desktop connection.
Secondly, we always recommend users to back up registry key value before making changes and the deleted registry values are related to the system, probably you could find the previous backup version.
Folder path:\Windows\System32\config\RegBack
Note:The system registry is no longer backed up to the RegBack folder starting in Windows 10 version 1803
https://learn.microsoft.com/en-us/troubleshoot/windows-client/deployment/system-registry-no-backed-up-regback-folder
If other than system registry like third party application, the deleting action should be irreversible if you did not backup in advance and also may not be detected by scan report.
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Hope this helps and please help to accept as Answer if the response is useful.
Thanks,
Jenny