[thesteve42]

just a thought...
IE sets a proxy detected string, that overrides the connection setting proxy.
delete the connections key
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Internet Settings\Connections
and change the value of
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Internet Settings
EnableNegotiate to 0
IE sets up a static proxy, but cricket uses a dynamic prox
setting the value EnableNegotiate to 0 tells IE to use your proxy setup instead of making its own