Whenever we try and reduce size PDF/Optimize PDF the program immediately crashes and states that it has stopped responding. We are running Windows 10 Pro. the version is up to date Version 2015.006.30243. Please help as this is happening to all users in the organization!
Sorry for the delay in response.
Please try "Repair Installation" under Help menu in application.
You can also try the troubleshooting steps provided in this help link: Troubleshoot Windows system errors, freezes | Adobe software
Let us know if issue still persists.