You can modify membership information on 'modify membership information' following the guideline provided below.

1. Log in on the homepage. 

2. Click [Modify membership information].

3. [Modify membership information] after finishing modification. 

Please, don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

Please, follow the guideline to withdraw from the membership. 

* Please, think through before you withdraw since restoration and any access to information is impossible once you withdraw.   

1. Make sure you fully understand that restoration and any access to information is impossible once you withdraw.  

2. Log in with your account you intend to withdraw.  

3. Click 'modify membership information'. 

4. Enter your password.  

5. Click 'withdraw from membership'.

6. Click 'confirm'.  

Please, don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

Make sure you understand that you cannot use any service when you withdraw from the homepage.

* Please, think through before you withdraw since restoration and any access to information is impossible once you withdraw.   

1. All services stop being provided.. 

2. All the writings you uploaded are deleted.  

Don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

You may not use the ID you used before when you register again. 

Your ID is connected with all the information related with the member.  

You must use a new ID when you register again.  

Don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

You must always keep your password secured. 

1. Please, take an extra care when you log in with a PC shared with other people.  

- Make sure you log out after using it. 

- Refrain from using a public PC as much as possible since it can be under that attack of a malicious code.  

2. Please, change your password and check for malicious code and virus periodically.  

- Some malicious codes leak personal information.  

- Install a vaccine program to protect your PC and information from malicious codes and virus. 

Don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

You may not use special letters, capital letters, or numbers in your ID. 

Don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

The optimal OS is Microsoft Windows, and 

Internet Explorer or Chrome are recommended to be used as the browser. 

It is also recommended that you use the most upgraded version for optimal service and security.  

Don't hesitate to ask questions on http://www.youthmindtraining.com/board/questions/6/">[Customer Service Center]-[Questions] when you have any problem.

As you add homepages on the favorite list or save the passwords to use them repeatedly,  

unnecessary information on the usage is accumulated in the browser and log in can be suddenly blocked.  

Deleting the information records of uses of the internet such as cookie and cash will solve the problem.  

*The problem may be solved only by deleting the information records but rebooting will reflect the process of deleting the information completely. 

Don't hesitate to ask questions onhttp://www.youthmindtraining.com/board/questions/6/"> [Customer Service Center]-[Questions] when you have any problem.