Error 100 causes installation failure

Last updated on Jul 30, 2025

Error code 100 indicates that the installer could not locate the gccustomhook file.

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.

Error 101 causes installation failure

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