When updating a Creative Cloud or CS6 application, you receive the following error:
There was an error installing this update. Please quit and try again later. Error Code: U44M1I210.
See Product updates.
Go to Control Panel > Programs and Features, find the affected CS6 app, and click Uninstall. Then reinstall the app and reapply the update.
Go to Applications/Utilities/Adobe Installers, and run the uninstaller for the applicable CS6 app. Then reinstall the app and reapply the update.
Take a look at the installation log to help determine the exact cause of the error. The name of the installation log is similar to the name of the failed update.
For details on where to find log files and how to review them, see Troubleshoot install issues with log files | Creative Cloud or Troubleshoot with install logs | CS5, CS5.5, CS6.