When you apply an update to Extension Manager CS6 on Mac OS, you receive the following error:

"Installation failed. Error Code: U44M1P7," or "Installation failed. Error Code: U44M2P7."


This document is relevant to installation failures of Extension Manager CS6 only.  If you are facing a similar difficulty with Extension Manager CC, see Installation failed. Error U44M1P7 | Updates.


  1. Navigate to the Applications folder and locate the Extension Manager CS6 folder.
  2. Open the folder and drag the Adobe Extension Manager CS6 to the trash.
  3. Download Adobe Extension Manager CS6 from
  4. Double-click the DMG and run the installation.

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