After having downloaded this update and attempting to install it on my XP SP2 machine I get the error that the update is trying to install from a network resource that is not available. The choice of update source only gives me "C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\7zS4F.tmp\" or ".NET Framework 1.1 with SP1 disk 1" When I try to browse for netfx.msi I do not appear to have the correct version it is looking for on my PC. When the installer runs it mentions KB886903 as well but if I download and install this first it makes no difference at all. Any help would be much appreciated, thanks.