"No valid license found" -- What is happening?

Cubase 14 worked fine 4 hours ago. Now I can’t open it!!

Maybe you signed out of SLM. Did you open your license manger and see what the activation status is?

EDIT: Sorry, as @Grim identified, it’s the SAM (Activation Manager). It’s been busy this morning and I got my acronyms mixed up.

Yeah…check SAM (not SLM) Steinberg Activation Manager
Best guess with the total lack of info supplied is that your update was not verified and has been working under temporary license till now…but who knows

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Sorry for the lack of info.
I performed maintenance (successfully) in eLicenser control before seeing your message, and even reinstalled Cubase 14 a couple of times, but kept getting the “No valid license found” message.

Seeing your message, I went to SAM and re-registered my license (the only one that appears in eLicenser Control), and this is the message I got:

Your eLicenser with the number [number deleted] was successfully registered.
Currently, there is no valid Steinberg product license found on this eLicenser.

I’ve been able to use Cubase 14 since it came out and even installed the latest maintenance update. This “No valid license” came completely out of the blue, and I don’t know how to remedy it.

Very important, @Marty_Lighthizer - from a security point of view i recommend you delete the numbers from your previous post - immediately!

Elicenser is not used for C14. But if you upgraded from C11 or earlier then it would need to see the elicenser to update that license.
So you need to tell us if this is an upgrade, exactly what update you bought and if your elicenser is a dongle or soft.
You also need to say if you see a C14 entry in Sam and what the status of it says.

I’ve been a customer since the Cubase VST and Cubase SX days, and have regularly updated/upgraded in sequence since Cubase 10, and currently have Cubase Pro 14.0.20 (upgraded from 13). I of course abandoned use of the dongle when Steinberg changed the system. The eLicenser that I mentioned is soft, and had functioned fine with each Cubase Pro version until now. And as far as I know, I didn’t make any changes/deletions within Windows 10–Cubase simply stopped recognizing my license and won’t open.

alexis, Thank you! I’ve deleted it.

Grim, When I tried to use SAM, here is the error message that returned:

That earlier message was incorrect. I couldn’t access SAM, and I went to Steinberg Support to try and remedy things.

This is what appears when I click on "Show Steinberg Licensing-based products:

Click on the down arrow next to Cubase to see it’s status!

Cubase 12, 13 and 14 have not ever used elicenser and Pro can’t use a soft elicenser so forget about elicenser. Activation manager not working is the issue you need to resolve.

Here is the status:

Thanks for clarifying.

Ok…so looks like your license is fine…try to uninstall and then reinstall activation manager.
If that doesn’t help you should probably contact support (if you didn’t already) and make sure you specify the issue is the license engine not responding…send them the diagnostic report as the error message says.

Grim, Thank you so much for your help! Yes, I’ll contact support and try to get this solved.