Confirmed. Just re-ran the update and it's working again. It appears QlmLicenseLib.dll was updated.
No, it was downgraded to the previous version, because the new one won't work without a Windows restart ( depending on the system ), and we wanted to fix the problem as soon as possible, without having to look into possibly finding ways in the Updater to detect WHEN a Windows restart is required, without forcing everybody to restart if it's not needed at the same time, which might took a more complex analysis.
The previous version, of course, would work regardless of a restart, since it was already registered on the system so, until we might look at that, it will work for everybody.