problem with Best Dongle

Hi best team
I have a problem with this dongle
i have change my windows on pc. when i installed best dongle again and installed drivers sucsesfull. when i choose any models and any files for flashing and click a flash bottums the Best dongle software is closed quickly. i tested with 3 pc and other best software verjens 2.14 2.09 and….
please help me how to solve this problem. thanks. sorry for my english