i cant use sigmakey since morning after last update v.2.31.00

SigmaKey v.2.31.00 build 01
Detected GsmServer S-Card products:
S-Card: 819554111 Sigma dongle blank, v 0.00
S-Card: 819554111 Sigma dongle blank, v 0.00
Wrong or incomplete server reply received: Invalid at the top level of the document.

gSigmaKey v.2.31.00 build 01
Detected GsmServer S-Card products:
S-Card: 819554111 Sigma dongle blank, v 0.00
S-Card: 819554111 Sigma dongle blank, v 0.00
cannot connect to the server,g
check internet connection or try later
Wrong or incomplete server reply received

this morning stop working my sigma box and it does not let me update firmware, pls help me :confused::confused::confused: