Hi Deb,
Looked at the crash reports that you have submitted. I recommend you to revert and stay on the Lr CC 2015.12 for now. We need to investigate the root case (there is a bug logged) for your specific case. It seems have to do with your specific version of Windows configuration. Apologize for the inconvenience. You can go to
https://helpx.adobe.com/lightroom/kb/lightroom-downloads.html to download the reinstall Lr CC 2015.12 (6.12). You would first download and install the Lr CC 2015 (6.0) pa...