The autosave in illustrator
The autosave in illustrator make system very busy and crushed illustrator, after restart file usually broken, has just part information (links broken, part of assets absent) or file start to be not rideable at all.
Please accept my sincere apology for the inconvenience. Please get in touch with us at any of the other support channels – https://helpx.adobe.com/support.html . Since this is not a generic issue that we can reproduce at our end, we will need someone to look into your machine to figure out what is going on here.