files saved on Mac crash when saved on PC
Abruptly files that have been edited on a Mac are corrupting when opened on PC and a save is attempted - often crashing InDesign repeatedly. Can normally eventually save a copy to 'Downloads' - rather than the shared Dropbox folder and then overwrite but tends to take several restarts and recovery attemps / saving as idml. Gives a variety of error messages - sometimes error 2, sometimes unable to do this process, some times tried to save but couldn't... any ideas?!
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Andy K commented
Check if you have had this windows security update installed in the last day or so:
2026-01 Security Update (KB5074109) (26200.7623)This was causing a similar issue for me and uninstalling the update fixed it.