For sure this is not depending on your FDM-SW2 or SDR Receiver.
It is depending on your system and Platform configuration.
Any suggestion is a guess as we don't have your PC in front.
Often it is depending on the Frameworks.
Here is a Link that is not resolving your problem i think but a Introduction into such problems.
Check your actual Frameworks with a small program you can download here from my private Web-Site: