PLease try to reinstall the software. I hope this helps. If not please connect with me at: http://www.liveperson.com/nortel-guy/ for service and support. Thank you!
I would prefer for you to call or chat so I can walk you through this because while the 2050 is not recommended for Windows 7 we can adjust it to work. You can reach me at: http://www.liveperson.com/nortel-guy Thanks