Moving to Adobe Animate CC forums. While your issue is with Flash CS6, Animate CC forums, which replaced the Flash CS6 fourms, is the place for assistance, not Flash Runtime (AIR/Flash Player) forums.
moved to The specified item was not found.
Warm regards to the support team.
I am requesting again for the solution for the above mentioned issue.
Moving to CC is not a solution for us, as we dont have the provision to buy or Subscribe CC.
I request the Support technical team to work on my issue and update adobe Flash CS6.
Please oblige our request and do the needful at the earliest.
Can you try the following solutions, and see if it helps?
Restore Preferences: Re-create preferences
Clean install: Uninstall Flash Pro using Use the Creative Cloud Cleaner Tool to solve installation problems and reinstall the software.