When installing or updating the Adobe Creative Cloud desktop app, you receive an error, "Installer was unable to copy a critical file/directory. Please try installing again. (Error code: 43)"
This error can occur when the installer doesn't have proper read/write access to a critical file or directory. To resolve the issue, try the following solutions in order.
Opomba:
Removing these directories/folders may affect the installation and licensing of other installed Adobe software. You may need to reinstall the products after removing the folders.
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Download and reinstall the Creative Cloud desktop app.
For installation instructions, see Download and install your Creative Cloud apps.
Occasionally, a user account can become corrupted and prevent the installer from accessing or creating the necessary files and folders. Create a new admin account, log in to the new account, and then try to install your Adobe application again. For detailed instructions, see:
Mac OS X: Install or run Adobe applications in new user account | Mac OS X
Windows: Create new local administrator account | Windows
If you are able to install your Adobe application successfully with the new local administrator account, you may want to migrate your documents and settings to the new account and use it as your new default account.
Network connectivity or stability issues can prevent the installer from copying a necessary file or folder.
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Make sure you can reach Adobe's activation servers. See Resolve connection errors.