The problem can be any number of things.

What I've found is that the GTK must be correct, on xp try the latest version of the gtk libs.

XP: latest GTK.
Vista:??? don't know never used it.
Win7: I have to run 2 versions for navtweak and POison (2.16.6 for NT, and 2.14.7 for poison, no other combo works).

Also, navtweak.exe (2.7), has a bug where if you do to many changes to the rombitmaps, it will crash on exit, even with the correct gtk loaded.

I've e-mailed nomad but as yet received no reply.

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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.