Pay failed Solution

[Chrome version 91 or lower - Window PC]

1. Enter "chrome://flags" in the Chrome address text box to go to the "Experiments" set up screen
2. Search the samesite to change 2 categories which is “SameSite by default cookies”, “Cookies without SameSite must be secure” into "Disabled"
3. Click the "Relaunch" button at the bottom to apply for changed settings and test them.

1. Please close all windows opened with Chrome.
2. Press the right button on the Chrome icon to go to the "Properties" menu.
3. Erase the value of the "Target" field and paste the value below.
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-features=SameSiteByDefaultCookies,CookiesWithoutSameSiteMustBeSecure
4. After applying it, run Chrome again to proceed with the payment.

1. Please close all windows opened with Chrome.
2. Please open the Terminal window.
3. Copy and paste the command below and press Enter to reopen the Google Chrome window.
Command: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome -disable-features=SameSiteByDefaultCookies,CookiesWithoutSameSiteMustBeSecure
4. Use the newly opened window to proceed with the payment.

Reason for Occurrence: The communication connection between the server and the terminal (PC, smart device) is temporarily lost.

1. Delete cash and cookies from Internet settings
2. When you download and proceed with the application, delete/boot the application and re-download the application again for payment.
3. When using Wifi, change into LTE and proceed.
4. If you are searching for a site on third-party application such as Google, you can use the Internet default browser or Chrome browser and enter the payment site address in the Internet address bar to proceed with the payment.

1. Launch Internet Explorer New Window and click Menu -> Internet Options -> Delete and delete cookies and files.
2. Terminate the antivirus applications (Bitdefender, Avast, Kaspersky, etc.) and view compatibility settings (dacom.net / lgdacom.net / uplus.co.kr)
3. If the same phenomenon occurs during the above process, the payment will be made again after 30 minutes.

1. Launch Safari New Window and click Menu -> Preferences -> Privacy -> Manage Website Data -> Delete and delete cookies and files.
2. If the same phenomenon occurs during the above process, the payment will be made again after 30 minutes.

VISA', ‘MASTER', and 'JCB' card users You can use your personal card information and personal confirmation message after registering in the authentication page provided by the card issuer.
- Visa (https://usa.visa.com/products/visa-secure.html)
- MasterCard SecureCode (https://www.mastercard.us/en-us.html)
- JCB J/Secure (https://www.global.jcb/en/products/security/jsecure/index.html)

- It occurs when your credit card company does not support 3D Secure
- You must provide 3D Secure service and provide a way to enter your card number + expiration date + CVC + password before you can use it.
- Please confirm that your card provides 3D Secure service for entering your password.

- It occurs when your credit card company does not support 3D Secure
- You must provide 3D Secure service and provide a way to enter your card number + expiration date + CVC + password before you can use it.
- Please confirm that your card provides 3D Secure service for entering your password.

- Please check the card number or expiration date accurately due to an error in the card number or expiration date and re-enter.

- The Route to be accessed for authentication depends on the location of your connection and the card company you are using. The authentication screen provided by the card company may not be compatible with the platform (iOS, macOS, etc.) of a specific device. In this case, please try to pay by changing the device. (For example: If you are using macOS, try to pay with an iOS device, or if you are using an iOS device or ChromeOS, try to pay with a Windows PC)
- Payment errors may occur due to network response delays with the authentication screen server provided by the card company you are using. In this case, please try again after 1-2 hours.