InDesign crashes/freezes when closing the application
InDesign freezes when you try to Quit the application. InDesign cannot be quit, it has to Forced Kill.
Many internal as well as external factors can cause the InDesign application to crash/freeze/hang. A few workarounds are listed at Fix crash issues with InDesign.
We completed the investigation and came up with the following: Either the issue has been resolved in the most recent release of InDesign (Refer to InDesign Release notes), the issue was intermittent at the time of reporting and is no longer reproducible, or the InDesign version mentioned in the report is no longer covered by Creative Cloud Support Policy.
We would recommend you upgrade to the latest version as it is more robust. If you are still facing this issue even after updating it, either submit the crash report(Refer to Submitting crash reports) to us or Contact Adobe support.