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Query #: it complains that I am using a trial version. I am using version 220.127.116.11 installed from NuGet. Is there another location for the license registration that is required to use WPF designer?
We have checked the reported scenario and suspect that you are installing nuget version with mismatching license key. So can you please ensure us the following things:
If this does not resolves the above reported error, kindly send us the application in which you faced this error. It would be very helpful for us to check and sort out the issue at the earliest.