Localhost API helper driver intercepts TDI level of TCP/IP stack and you must be carefull when working with it. It is difficult to say how debugger affects system functionality in this case, but if you provide more information may be I would be able to advise.
I am still using the Demo API version (waiting for the CD
If you have ordered Localhost API then you should receive the download link for the full version. If you have not received it then please e-mail email@example.com.