How to turn off USB sharing on Android (Archos 70) - Installing Android Market
You shouldn't need to do this for the Archos 70.  Do you have the Archos 70 Internet Tablet or the Archos 7 Home Tablet?  The link you have is for the Archos 7 Home Tablet, which is an older model.  If you in fact have a Generation 8, Archos 70, here's the link you want: http://forum.archosfans.com/viewtopic.php?f=63&amp;t=42067  All you have to do is open the apk file on your tablet.