motrucker wrote:
It apparantly is not a bug since they have still not done anything about it after so many years.
It's a feature, as explained in the first link I gave.
http://blogs.msdn.com/wndp/archive/2006/08/04/WinInet_Index_dat.aspx and related posts have details on how index.dat is changing in IE7. E.g:
Well the first thing is that IE made the interface for clearing up these files much simpler with “Cover My Tracks”.