It is not so easy to provide a standalone application to you, because our program is a client server application, where you have to install a big SQL Server. I have deinstalled the GDPicture first than installed the newer version. After rebooting me PC I have the same failure.
Futhermore we had another problem. A Colleague used a newer version of GDPicture (188.8.131.52), deinstalled it and installed the version 184.108.40.206. After this, the GDPicture does not work any more. We got every time an OLE Error. We found out, that, after deinstalling, a lot of the registry entries of the deinstalled version took place in the registry database. I removed all entries of the Version 220.127.116.11 manually and he can use GDPicture without any reboot or reinstall of the other Version.
About the initial problem I can't guess what the issue is without being able to reproduce it. But it sounds obvious to me that the SDK is not unlocked before using the WIA features of the toolkit.
To unlock just instantiate a LicenseManager object the call its registerKey method.
With best regards,
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