If you don't follow the installation instuctions for third-party plugins TO THE LETTER, trouble often ensues.
I think you ought to read this page extremely carefully. You'll note that there is a link for customer support if you have any further questions.
There's nothing like getting your information from the horse's mouth, and in this case, Red Giant Software is the horse. Adobe isn't.
Long Path Tool can help you to remove blocked files or too long path files. You can easily fix file errors with this software.