The 2026 upgrade "lost" the location of my RT and Drums folders. The BIAB Install Manager knew where they were but the BIAB app did not. BIAB expects to see these folders on your System Drive but that's not where mine are—nor yours, either.

Once I figured out the problem, fixing it was easy. In the Window menu, go to Real Drums Settings and Real Tracks Settings. You will need to re-map the correct locations of both folders as Custom locations. Updating each of the two is a little different (which should have been fixed years ago). Click on the little boxes to navigate to the correct location, then hit Update. and OK. Once you get the hang of it, you'll always know and then it no longer becomes an issue.

If you have any problems with this procedure, Support can walk you through it in real time which takes about a minute if you've never done it before. See my screen shots below:

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BIAB 2025 Audiophile Mac
24Core/60CoreGPU M2 MacStudioUltra/8TB/192GB Sequoia/Tahoe, M1 MBAir, 2012 MBP
Digital Performer11, Logic, Finale27/Dorico/Encore/SmartScorePro/Notion6/Overture5