When I start GarageBand, it gives me this error: Instrument Library is Invalid! The Instrument Library is invalid. GarageBand expects a valid. Aug 06, 2012 When I try to open garageband on my mac it says: 'Instrument Library Invalid! The Instrument Library is invalid. Ahon Bata Sa Lansangan Program. GarageBand expects a valid Instrument.

If you're a musician with lots of experience or a budding musician with little experience, Apple's is a marquee music making application. For some, GarageBand is a key factor in choosing a Mac with many graduating to Apple's pro-audio suite Logic.

Porcelain Patch Repair Kit. As affordable as Logic is, the best part about GarageBand is that is completely free when buying a Mac. Regardless, when you run into a seemingly intractable sound file installation bug with GarageBand, it can cool the ardor for the free package.

We've got a solution. We've fallen victim to a long-standing problem for GarageBand users that has been around since OS X 10.9 Mavericks, and continues to affect some users in OS X 10.10 Yosemite. Apple pre-installs GarageBand with a minimal amount of instruments, loops and sounds.