on Windows 7, Inkscape 0.48.4, this file is stored at: C:\Users\username\AppData\Local\
an alternative location might be
C:\Users\username\AppData\Roaming\inkscape\
which is where the preferences.xml file is stored.
on Windows 7, Inkscape 0.48.4, this file is stored at: username\ AppData\ Local\
C:\Users\
an alternative location might be
C:\Users\ username\ AppData\ Roaming\ inkscape\
which is where the preferences.xml file is stored.