Make sure you are using the English version of Photoshop. Each action has been created and optimized to work only with the English version of Photoshop, so please make sure that you are using this version.
Use the RGB Mode and 8 Bits color. To check these settings, go to Image->Mode and check the “RGB color” and “8 Bits/Channel”.
Make sure that the option “Add ‘copy’ to Copied Layers and Groups” is turned on. This option applies only to CS5 and later versions of Photoshop. On the “LAYERS” panel, click on the menu icon, go to “Panel Options…”, and check that the “Add ‘copy’ to Copied Layers and Groups” is turned on.
Use a photo with 72dpi or higher. If you are using a photo with less than 72dpi, the action will not function correctly. To fix this, go to Image->Image Size and increase the resolution value.