MuseScore 4.5.1 Crashes on macOS 11.7.10 when using Mixer tool

• Apr 23, 2025 - 02:07

MuseScore 4.5.1 consistently crashes on macOS Big Sur 11.7.10. The application crashes with a segmentation fault (SIGSEGV) shortly after opening the Mixer (when I am trying to change sound font).

Specific:
Process: mscore [31420]
Path: /Applications/MuseScore 4.app/Contents/MacOS/mscore
Identifier: mscore
Version: 4.5.1 (250800846)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: mscore [31420]
User ID: 501

Date/Time: 2025-04-22 21:00:55.146 -0400
OS Version: macOS 11.7.10 (20G1427)
Report Version: 12
Anonymous UUID: A0F951C8-72E7-8DD2-6A3D-3CA255C061AD

Sleep/Wake UUID: 69B29B18-48ED-4A53-843F-14B50E6DE5A2

Time Awake Since Boot: 370000 seconds
Time Since Wake: 10000 seconds

System Integrity Protection: enabled

Crashed Thread: 0 main Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: EXC_I386_GPFLT
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [31420]

System:

MuseScore version: 4.5.1 (250800846)

macOS version: 11.7.10 (20G1427)

Hardware: x86_64 (Intel-based Mac)

System Integrity Protection: enabled


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