Steinberg Activation Manager won't open

Steinberg Activation Manager Won’t launch. Only in the Background processes (Service). Ending task and relaunching SAM makes no difference

I’m using the latest build of Windows 11 i.e. 23H2. I’ve tried uninstalling and reinstalling Steinberg Activation Manager 1.5 but no dice.

Any ideas how to fix this?

It is not preventing me from running Cubase 13 but something still isn’t right for it not to be launchable

Many thanks in advance

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I have tried uninstalling my antivirus software. Made no difference

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I now cannot open any of my Steinberg programs as a result of this. Great!

I’ve done a Windows 11 in place upgrade and that hasn’t solved it!

A past thread: