That error generally means that the version of mfc42.dll on your computer is
not compatible with the software written by Netgear, ie the version of mfc42
is too old, or too new.

Signature
Install the latest IE cumulative patch for protection against QHost:
http://www.microsoft.com/security/security_bulletins/ms03-040.asp
More information about QHosts can be found here:
http://www.mvps.org/inetexplorer/darnit_3.htm#qhost
________________________________________
Sandi - Microsoft MVP since 1999 (IE/OE)
http://www.mvps.org/inetexplorer
> Installing NetGear wireless nic card on laptop running
> Win98. Keeps telling me "WG511WLU.exe is linked to missing
> export MFC42.dll:6781". Netgear is no help - says it a MS
> OS problem... anybody know? This file is located in 4
> places on my c: including windows/system.... HELP.