I've tried many times to install Viajeros on my machine running XP with no success. On the developer page I got the answer, so here it go:

Attention: Do not change the destination folder on install, if you need to change the directory, change as;


D:\MapasGPS\ViajerosMapas
E:\MapasGPS\ViajerosMapas
F:\MapasGPS\ViajerosMapas
...