I'm having some issues installing DDPM 2.0.1.16. 'Installation operation failed - (1603)'.

'Run As Admin' produces the same error. All Dell Command Updates and Windows Updates are 'up-to-date'. I have full administrator access / Global Admin etc.

Dell support's suggestion is to perform a system wipe and clean OS re-install. As this is a business system used heavily, that' isn't a realistic option.

I have tried previous versions of DPM, and whilst they install, they produce a general error 256, advising to reset the system to no avail.

System: Win 11 Pro 24H2 Build 66100.3775

Does anyone have any advise as to how this could be resolved?