Once in Safe Mode, open GarageBand (it will be slower—that is normal). Try to play a project. If Error 1048 does not appear, the issue is a third-party extension or launch agent. Restart normally.
While there is no official "Error 1048" documented by Apple, users of GarageBand 10.4.8 garageband 1048
GarageBand 10.4.8 is the latest iteration of Apple's popular digital audio workstation (DAW), designed to empower musicians, producers, and composers to create, record, and share their music. This update brings a slew of exciting features, improvements, and refinements to the table, solidifying GarageBand's position as a top-notch music production platform. GarageBand: A Comprehensive Music Production Tool Once in
The primary purpose of the 10.4.8 release is to address underlying security vulnerabilities. According to AppleInsider Reliability – The previous version (10
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