The Verification Code is need to post when Login again

[slosh]

Hi,
I am a newer in here.Yesterday i have buy,but found that when the D3 dropped and re login,
the verification code is need to post..But the software is doing nothing,why?
The control is not useful....
Please help me, any help is thanks!

 

[slosh]

Is anyone can help?
I am in Asia server,when dropped re login,need to post the verification.......