Tough one. A call to Support may be needed here.

One thought: your problem arises after making several changes in RealBand. I wonder if it's RAM-related? How much RAM is in your computer? And can you run Memtest overnight to check that it's OK?


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.