Can't login in registrationcenter.intel.com page

[billingmath_nctu_edu]

When I trying to login on this page https://registrationcenter.intel.com/RegCenter/
I got a Error message as below :

Error

We have experienced a critical system error.

A notice has been automatically generated to alert our staff. We will address this condition as soon as possible. Please try again later, after we have had some time to make repairs.

We apologize for the inconvenience and appreciate your patience while we resolve this issue.
For Licensing and Registration help,Click Here.

I tried IE and chrome, and had cleaned the cookies.

Thanks a lot

[QIAOMIN_Q_]

Hello Bill,

This error happened because of yesterday's maintainence, I have just checked and found the website is ok now ,can you have a check on your side again?

Thank you.
--
QIAOMINQ.
Intel Developer Support

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[billingmath_nctu_edu]

I try again right now, but the result is the same：

 ============================================
Error
We have experienced a critical system error.

A notice has been automatically generated to alert our staff. We will address this condition as soon as possible. Please try again later, after we have had some time to make repairs.

We apologize for the inconvenience and appreciate your patience while we resolve this issue.
For Licensing and Registration help,Click Here.
 ============================================

then I clean the cookie, change another computer, the same error msg.

[QIAOMIN_Q_]

Hello,

I tried to vist https://registrationcenter.intel.com/RegCenter/ again ,and it is ok for mainland now.

Thank you.
--
QIAOMINQ.
Intel Developer Support

[billingmath_nctu_edu]

The problem is...My password is too complex...

I can sign in on http://intel.com.tw/
I can't sign in on https://registrationcenter.intel.com/RegCenter/

when I change my password easier, I can sign in both.

Thanks a lot.

[QIAOMIN_Q_]

Hello,

Have you registered your serial number with the email address billingmath.nctu.edu.tw? This account cannot be found in our database now.

Thank you.
--
QIAOMINQ.
Intel Developer Support

[billingmath_nctu_edu]

My account is " billing@math.nctu.edu.tw "
The system allow me use Email to regist, but in forum, it filter the "@"

the same problem happen in registrationcenter page when I sign in, the password's character has been filterd.

[QIAOMIN_Q_]

Can you reset your password using some different characters at https://signin.intel.com/PasswordReset.aspx ?login again with the new password to see if this time is good.Let me know if this doesn't work either.

Thank you.
--
QIAOMINQ.
Intel Developer Support