Server update problem

hello
i can´t update the dongle

[user][info] connecting…
[user][data] > Device has firmware version 2.1
[user][data] > Serial number: 0x9DXXXXXX
[user][info] > Connecting to update server…
[user][erro] > Could not establish secure connection with update server.
[user][erro] Failed to load update from update server!
[user][info] Searching MFC Dongle …
[user][info] connecting…
[user][data] > Device has firmware version 2.1
[user][data] > Serial number: 0x9DXXXXX