Windows assigned a different drive letter (e.g., your drive was E: but is now F: ). EZDrummer 3 is still looking for E:\Toontrack\...
You click around. The preview button does nothing. The beautiful browser where thousands of drum grooves should live is completely empty. Before you reinstall everything in a panic, take a deep breath. This is a common error, and in 99% of cases, your MIDI files are safe, and your installation is fine. The issue is almost always a communication breakdown between EZDrummer 3 and your computer’s file system. ezdrummer 3 no midi library found
Some expansion grooves appear; others don't. Cause: An EZX was installed to the wrong path, or its MIDI folder structure is broken. Windows assigned a different drive letter (e