How to configure Photoshop to work with actions.
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. If not, don’t worry: you can change the language of your version of Photoshop to English (and switch back again) using this method
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”