Error 11 causes installation failure

Last updated on Jul 30, 2025

Learn how to resolve error code 11 “Deletion of Adobe Genuine Service failed” during app installation.

Error code 11 indicates that gccustomhook failed to delete the older version of Adobe Genuine Service running on the user's machine before installing the latest version.

Solution

Follow the steps to fix the error:

  1. Go to the AdobeGCClient folder and delete it along with all its contents. Find the existing folder in the following location:

    • Windows: C:\Program Files (x86)\Common Files\Adobe\AdobeGCClient
    • macOS: /Library/Application Support/Adobe/AdobeGCClient
  2. Based on your requirement, select Accept or Deny on the Adobe Genuine Service consent dialog box.