It may sound silly but is your scanner definately turned on?
If it is, then have you tried reinstallig the drivers that came with the scanner?
I assume by the title that you run XP. Has this always been the case or is XP a new addition?
OnePlus 5 review
See the work of famous artists playing with toys
iPad Pro 10.5in (2017) review
Comment faire une capture d’écran sur un Mac ?