If EZdrummer 3 is showing a "No MIDI library found" error, it typically means the software cannot locate the core MIDI database on your hard drive. This can happen due to a corrupt registry path or if the library was moved without updating the software's settings. 1. Restore the MIDI Database

If there is an available for the "MIDI Core Library," download and install it. Sometimes the software is updated, but the MIDI database needs a refresh to be recognized. 3. Relocate the Core Library