If the standard installer fails, particularly for Photoshop Elements users, a manual workaround exists: Download the latest installer and run it. Navigate to the common plug-ins folder:
To download and install the latest Adobe Camera Raw (ACR) plug-in, it is recommended to use the official Adobe Help Center . This page provides direct installers for the most current version (currently 18.3) for both Windows and macOS. Official Download Options
C:\Program Files\Common Files\Adobe\Plug-Ins\CC\File Formats
If the file arrives as a .zip , right-click to extract it first. Double-click the resulting .exe file to launch the installer.
Complete the on-screen installation instructions and restart your Adobe applications. Troubleshooting & Manual Installation