Hi,
If registry changes were reset after reboot, please check if any related GPO settings were set?
Also try editing the registry as administrator and take full permission while changing the registry value.
Reference: https://www.groovypost.com/howto/take-full-permissions-control-edit-protected-registry-keys/
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information
Best regards.
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