For any technical question about using the program, you may first search the following FAQ, which contains the most common questions encountered by other users.  In case that you do not find a proper answer, you can send us your question via E-mail, which will be promptly responded by our technical support team.
Questions and comments?  Our main E-mail contact is
particle@image-analysis.net
In case of urgent matters, please include your telephone contact in your message.