This is a simple tweak to the Internet Explorer browser in which in Vista you must logon as an Administrator to do. Just click on the Windows icon -> run and type the following in DOS
if the line does not say disable then enter this command
if this doesn't work enter the above command again and end it with this command
c:\netsh interface tcp show global
if the line does not say disable then enter this command
netsh interface tcp set global
autotuning=disable
if this doesn't work enter the above command again and end it with this command
netsh interface tcp set global
autotuning=normal
