OneNote for Mac Crashes on Startup After Deleting Cache Files (EXC_BAD_INSTRUCTION)

Anonymous

Hi,

My Macbook has ran out of storage, mostly due to Cache files and One Note backups. In the past, I have deleted back-ups without any problems and this time, I had to clear out some cache (which I was under the impression was safe to do). In the past I was told by Apple support that I can safely delete these cache files to create more storage, but that it would simply take longer to open some folder due to deleted cache files.

I have tried restarting One Note and my Mac but the issue still persists. I get the following error (this is just a snipped since the actual error code is much longer).

Microsoft Error Reporting log version: 2.0

Error Signature:

Exception: EXC_BAD_INSTRUCTION

ExceptionEnumString: 2

Exception Code: 0x00000001 (0x000000014f644000)

Date/Time: 2025-05-12 23:09:12 +0000

Application Name: Microsoft OneNote

Application Bundle ID: com.microsoft.onenote.mac

Application Signature: ONMC

Application Bitness: x64

Application Version: 16.89.1.24091630

Crashed Module Name: Microsoft OneNote

Crashed Module Version: 16.89.24091630

Crashed Module Offset: 0x0000000000c1f6d4

Blame Module Name: Microsoft OneNote

Blame Module Version: 16.89.24091630

UnsymbolicatedChecksum: 955B16CBA23B785D0EF974762FD53992

Blame Module Offset: 0x0000000000c1f6d4

StackHash: 2372228730f0e0a9_0x00000000080575d8

Application LCID: 1033

Extra app info: Reg=en Loc=0x0409

Build Type: Release

Crashed thread Stack Pointer: 0x_000000016b7f5640

Crashed thread: 11

.......

OS Information

Operating System: Mac OS X 12.5 (Build 21G72)

CPU: ARM64e, Logical CPU Count: 8

Physical Memory: 8192 MB

Device_model: Mac14,2

Screen: 1470.000000 x 956.000000, bitsPerPixel = 24, frame = 0.000000, 0.000000, 1470.000000, 956.000000

CrashedApp_Virtual_Memory_Size_MB: 399768.218750

CrashedApp_Resident_Memory_Size_MB: 110.031250

CrashedApp_Memory_Footprint_MB: 45.158203

ErrorReportingDeviceUUID: 3EDD147B-***

ErrorReportingUUID: F99419FE-****

ULS UUID: 19C2C982-A884***

CrashedLogSessionId: 19C2C982***

TimeFromLaunch: 0 hours, 0 minutes, 0 seconds

CrashedSessionDuration: 0

Total errors on this client: 36

Microsoft Application Information:

Audience: Production

Tenant_Id: b84f695e-***

AudienceChannel: CC

AudienceGroup: Production

How do I fix this issue without deleting my notes/loosing them?

Thank you

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6 answers

Anonymous

2025-05-13T15:44:29+00:00
Hello,

Welcome to the Microsoft Community Forum. Please accept our warmest regards and sincerest hope that all is well despite the situation you find yourself in.

I understand the issue you are facing with OneNote for Mac crashing after deleting cache files. To resolve this issue without losing your notes, you can try the following steps:
1. **Reinstall OneNote**: Uninstall OneNote from your Mac and then reinstall it from the Mac App Store. This may help in resolving any corrupted files causing the crash.
2. **Update OneNote**: Ensure that you are using the latest version of OneNote available for Mac. Updates often include bug fixes that can address issues like crashes.
3. **Check for macOS Updates**: Make sure your macOS is up to date. Sometimes compatibility issues can arise between older macOS versions and newer app versions.
Remember to back up your notes before attempting any troubleshooting steps to prevent any accidental data loss. Let me know if you need further assistance.

Hope this helps.

Best Regards,

Fordy B.

Microsoft Community Moderator
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