Final Cut Pro X and Clean My Mac

Two part question.

FCPX has stopped loading on my iMac - details on the Apple discussion threads

Response I’ve gotten there is “CleanMyMac is the problem - clean install is the only answer” - even though FCPX starts in guest mode, and I haven’t run CMM recently.

Any suggestions for my problem, and what are community thoughts here on Clean My Mac? I’ve used it for years without problems.


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If it starts in a guest account, the issue is probably in your user folder. You can find it’s preference files in ~/Library, move them to your Desktop and see if it starts. If it does, you can test each file until you find the culprit.

May also be a cache, library or app support folder, all in your user folder.

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Tried all of those without success - used this to find all files to remove

Process: Final Cut Pro [85259]
Path: /Applications/Final Cut Cut Pro
Version: 10.4.8 (358560)
Build Info: ProEditor-35856000076000000~7 (15B18c)
App Item ID: 424389933
App External ID: 833677189
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Final Cut Pro [85259]
User ID: 501

Date/Time: 2020-05-26 08:21:28.083 +1000
OS Version: Mac OS X 10.15.4 (19E287)
Report Version: 12
Anonymous UUID: 89DC7668-B128-5EA1-8613-97D185FAF006

Sleep/Wake UUID: 43DA2D35-DCA3-4200-B02C-65E466B1DABD

Time Awake Since Boot: 75000 seconds
Time Since Wake: 69000 seconds

System Integrity Protection: enabled

Crashed Thread: 10

Exception Codes: KERN_INVALID_ADDRESS at 0xfffffffffffc7e00

Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [85259]

VM Regions Near 0xfffffffffffc7e00:
–> shared memory 00007ffffffeb000-00007ffffffec000 [ 4K] r-x/r-x SM=SHM

Application Specific Information:
dyld: in dlopen()
/Applications/Final Cut


What ever was broken has been fixed by the 10.15.5 update.

Good. Didn’t want to do a clean install just yet.


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