Hello Sylvain,

We have a KB article that talks about all of the common issues that occur during updating.  I recommend Checking out this page to see if there is a solution: https://www.xeams.com/ts-auto-update.htm

If you still have a problem, reach out to our support department at support@synametrics.com or give us a call at 609-750-0007 and they can certainly assist with this issue.