Ensure you follow these next easy steps and update your certificates by 31 March 2018! After that time, the update can not be done! Read more about it here
Update digital ID certificates
Close all programs and browser windows
Open ID card Utility and click “Renew”, follow the instructions displayed
Keep your card in the reader until the update has finished
Write down your new PIN and PUK codes
If you run into any trouble completing the certificate update, please contact the ID card technical support on email@example.com and provide them with your name, document number, description of the problem and a screenshot or diagnostics file. Instructions for taking the diagnostics file can be found here.
Find more information here