The message “Failed to verify the license.” appears and I cannot authenticate my license.


If this dialog appears, cut your device’s internet connection, reconnect and try again.



Checking your internet connection status

Disconnect and reconnect your device's internet connection.


For wireless connections

Turn off your device’s Wi-Fi connection, then turn it on, and reconnect.


For wired connections

Unplug the LAN cable from your computer and plug it back in.


Note:
Please make sure that the device is completely offline before reconnecting.



Re-authenticating licenses

Please follow the steps in the FAQ below to reauthenticate your license.




If the problem persists

If the above steps do not improve the situation, please contact us here:


Contact

Celsys User Support

・E-mail: support@celsys.com

・Please include “EN-FAQ-20220043” in the email subject line.


Including the following information in your email will allow us to provide you with a more seamless support experience.


・Your device’s operating system

・The version number of Clip Studio Paint installed on your system

・Date and time when the error occurred.

・Screenshot of the entire authentication error message