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silly question but are the admx and the language files in the policy store? maybe copy them in again

I'll double check but Im sure when I first installed it launched ok the first time. Will have a nosey later. I can try update them too if they are in place, cheers

You could perform a full installation of Studio via Autoselect.exe to make sure every dependancy is installed

Thanks, Dennis. This is Citrix Cloud... Ive followed this doc and still no dice... https://support.citrix.com/article/CTX238166/how-to-manage-citrix-gpos-outside-of-the-ddc-using-ms-gpmc