rahim 1 Question 0 Answers 0 Best Answers View Profile 0 rahim Asked: June 25, 2020In: Digital signature Unblocking DSC 0 While unblocking my Blocked DSC when I click on “generate challenge code” it shows an error ” Fail, Error code :23″ What should I do ? dsc error Share Facebook 1 Answer Voted Oldest Recent Signyourdoc 21 Questions 22 Answers 0 Best Answers View Profile Signyourdoc Added an answer on July 15, 2020 at 4:39 pm Make sure latest ePass2003 Drivers are installed in your system. Remote Unblock Client works only on 180929 and above driver version. If your system is having earlier driver version installed, then first update it by clicking on Update button as shown in image below. 0 Reply Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Sorry, you do not have a permission to answer to this question.