Can no longer edit ORF and CR2 files in external programs

All of a sudden, I can no longer edit any of my .ORF files either in CO or in external programs. CO crashes every time. Unusally, I can edit my Canon .CR2 files in CO but not any external programs.

I have been running CO 22 15.4.3.4 successfully on my iMac I7 , OS 10.15.7 up until Christmas with no issues at all other than lack of support for my OM systems TG-7 raw files which I edit in OM Workspace then import as TIFF into CO. I meet all system requirements. I would upgrade to CO23 but I believe it it is not compatible with OS 10.18.7.

Has anyone else experienced any recent issues?

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