Unable to download LimeWire Pro

I recently subscribed to LimeWire Pro.
LimeWire informs me that my application is ready for download.
When I click on their download site, I receive the following message:
You are not authorized to view this page
You might not have permission to view this directory or page using the credentials you supplied.

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HTTP Error 403 - Forbidden
Internet Explorer


In reading their User's Guide, the topic of 'Fire Wall Issues' appears.

Although the Guide doesn't speak directly to the problem I am having,
I'm suspect that this could be the problem.

I have Zone Alarm installed on my computer.

However, being new to use of the computer, I do not understand how to
disalbe this software to permit downloading the LimeWire application--
should this be the problem.

I have requested help from LimeWire on several occasions; they have not responded.

I would be most grateful for any assistance you might provide me in
a step-by-step format...

Cordially
Geoheid
Some computer specs:

Windows 98
OS Version: 4.10
512MB memory
CPU Model - Intel 80 x86 MMX (GenuineIntel)