Not being able to completely load your cardPresso application, one of the currently connected USB devices could be preventing it from being successfully executed, due to a communication conflict.

In order to fix this issue, please try first removing all of those devices, one by one, until you’re finally able to load our software and find out which one was blocking it.
Then, try disconnecting it physically, completely uninstalling it from the current system and reinstalling its latest driver version, as well as upgrading the respective firmware, if possible.

If none of the device removals ended up resolving this behavior, you could be dealing with a corrupted cardPresso installation.
That being the case, please follow the instructions below:

First, go to Control Panel > Uninstall a program, right-click on cardPresso and click on Uninstall/Change.
The following window should be prompted and you must enable both checkboxes.
 
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Note that with the Delete all card document files option checked, the My Cards folder located under %userprofile%\Documents will be deleted.
So, ensure that you do not have any of your projects saved there, and if you do, simply back them up to a different location.
 
After that, go to %programdata%, %programfiles(x86)% and %localappdata% and manually delete any cardPresso folders that you find, including the previously mentioned My Cards.
 
Finally, try reinstalling the latest cardPresso public version (1.7.X), available through the following link:
https://www.cardpresso.com/cardpresso-software/latest-release/
We’ll ask you to run the executable as an Administrator and install the application for all users.

If you need any additional support, please reach out.