If none of the various buttons on the website function normally, try the following:
- Delete temporary files related to internet browsers except for bookmarks, such as caches or cookies.
- Set referer to ON if it is set to OFF in Browser Setting >> Related help
- Either modify the security settings such as antivirus software or end the processes temporarily
- Log out and log in again
- If you have installed extended functions or add-ons in the browser, turn them off or uninstall them
- Update the browser to latest version
- Try another browser
■ Recommended browser
▪ Latest version of Google Chrome
▪ Latest version of Firefox
▪ Latest version of Mac/iOS Safari
▪ Latest version of Microsoft Edge
*Performance is not guaranteed when using browsers other than those introduced above. Operational malfunctions may occur when accessing from game machines, etc.