TO DISABLE ROAMING ACCESS in Netscape
Step 1: Open Netscape
Step 2: Click "Skip" when asked for roaming access password [Shown in Picture below]

Step 3: Inside Netscape, click on "Edit" --> select "Preferences"
Click on "RoamingAccess"
Remove the check mark
Click on "Ok"
[Shown in Picture below]
Step 4: Close all Netscape windows, restart Netscape