1. start --> cmd (right click run as admin)
type or copy paste
netsh int tcp set global autotuninglevel=normal
that sets your netsh to better than default which allow it to grow, it does help on really big files.
2. right click computer on desktop
3. open properties
4. system properties
6. enviroment variables
7. make sure TMP and TEMP are owned by YOU.
should read something like this:
this will enable your tcp setting to grow to accomodate and the rest makes sure you have ownership of the temp files... without ownership it is very HARD to save files. that is where they are stored when you download them, they are then assembled and transferred to you indicated directory.