There is currently a problem with the shareaza.com site, an upstream routing problem apparently.

Here are some Shareaza v1.4 download locations:

http://violinists.com/shareaza/Shareaza1400.exe

http://la-forza.com/shareaza/Shareaza1400.exe

http://download.shareaza.com:8825/Shareaza1400.exe

Sorry for the inconvenience.. very unfortunate timing for this to happen just after the latest release!