IE 6 has a nasty habit of preventing us from downloading more than 2 files at once. Sounds idiotic? Believe it or not, it's true! To configure IE to allow up to 10 simultaneous downloads (it only allows 2 at a time) do the following:
Open Registry Editor.
In Registry Editor, navigate to the following registry key:
On the Edit menu, click Add Value, and then add the following registry value:
You can change 0000000a to any other value as long as it's hexadecimal.
Close the registry editor.
Download THIS zipped file and double click it's contents to merge it to your registry. The file will allow for a maximum of 10 simultaneous downloads.