If an error occurs during PlayDRM authentication, please refer to the error code and message displayed, then check the corresponding 'Solution' listed below.
| Error Code | Error Message | Solution |
| - | Internet connectivity is required for authentication. | No internet connection detected. Please check your internet connection. |
| 1001 2003 2004 |
License key authentication failed. Please check the license key you entered. |
The information entered is incorrect. Please verify that the license key is entered correctly and try again. If you purchased the content on DLsite, you can check your license key via the product download button in your [ Purchase History ]. |
| 1002 1003 1004 1005 1006 1007 1008 |
A communication error has occurred. If the problem persists, please refer to the PlayDRM Help Page. |
Communication with DLsite may have failed during authentication. Your security software may be interfering with the authentication process. Please refer to [ How do I change my security software settings? ] to add an exclusion or temporarily disable your security software and try authenticating again. |
| - | The product may not be installed correctly. Please ensure the executable file is in the correct folder. |
Please check if the product files are installed correctly. If the problem persists, please try redownloading the product. * PlayDRM authentication is already complete. |