The installation has been canceled. The Adobe Photoshop Registration program returns this error at the end of the Photoshop installation. If you can't start Photoshop, follow the solutions below. Please note, this document does not address serial number-related problems or issues that may arise when you upgrade from an earlier version of Photoshop. Also, you must install Photoshop on a computer that meets the minimum system requirements shown in the user guide.
Many system variables can interfere with an installation.
The last section of this document covers this rare scenario. Before trying each solution, reboot the computer, remove the Photoshop application files, and empty the Trash. The preferences files for Photoshop 5.x are in the folder you deleted in step 2. 4. Empty the Trash. Solutions Do one or more of the following, writing down any changes in the installer's behavior or the error that appears.