Two things to try:
1: Options > Return to Factory Settings (Most)

2: Options > Preferences > RealTracks and check that the custom RealTracks folder location is correct for your RealTracks


BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones