Dear Sir/Madam I""m so sorry before, yesterday you have reset my auth code and gave me new auth code, i""m so thank you. Yesterday the new auth code was correct and worked. But my fault is : the serial number that first i install is I14-40UA-P9K82MNW , then i asked to reset the serial number I14-4113-WGRK9U49 . Today morning there was a confirm register with serial number I14-40UA-P9K82MNW . Then i uninstall it and install again with seria number I14-4113-WGRK9U49 . now i need help to reset my auth code again : SN : I14-4113-WGRK9U49 Interim Code : KDHGHDH8CSC3CLC6NGDG Thanks for your care and sorry for my fault Best Regards, IT Hansa