Error 102 causes installation failure

Last updated on Jul 30, 2025

Learn how to resolve error code 102 during app installation.

Error code 102 indicates that the signature of the executable gccustomhook isn't valid, or there is a generic installation issue.

Solution

Follow these steps to resolve the error:

  1. Select Retry in the error dialog box to download and install the app again. If this does not work, go to Step 2.

  2. Open the Creative Cloud desktop app.

  3. On the right panel, select Updates > Check for updates.

Once the update check is complete, the app will automatically fix the Adobe Genuine Service binary issue.