Duplicate (or at least related) of Bug #334800 "Input device configuration not saved on Windows" (fixed in 0.48)? Could you please confirm your tablet works with Inkscape 0.48.x?
Duplicate (or at least related) of Bug #334800 "Input device configuration not saved on Windows" (fixed in 0.48)?
Could you please confirm your tablet works with Inkscape 0.48.x?