Select Retry in the error dialog box to download and install the app again. If this does not work, go to Step 2.
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:
Open the Creative Cloud desktop app.
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.
