Open the main program window of Norton Personal Firewall.

Select Personal Firewall and click on the Configure button.

Select the Programs tab and click the Add button to select program. Go to the folder you have installed the Qnext application and open the qnextclient.exe file.

Select Permit from the list and click OK.

Click OK to close the firewall configuration window. Now you are ready to use the Qnext application.