Information The "Accessing with new domain" method should be used to avoid alteration of system files.

Accessing with new domain Recommended

You can access the TZ-AC website without making any alterations to your computer, by visiting the domain This site is exactly the same as accessing the old website, and all data is stored/transmitted the same way.

Resolving update issues

With this method, you will have issues updating the tz-ac client, if you don't have the latest version, the client will not work. To resolve this you simply need to replace the TZAC.exe file with the one listed as "Updater fix" on the TZAC download page

The file you should replace is stored in the following directory:
Once you have done this, there is no reason why you need to alter your hosts file (below) for to work

Altering hosts file Alternative

This method will allow you to use TZ-AC again under the old domain name (, and run the TZ-AC client without patching it or alteration.

Automated method

Finnborg from Tek-9 has created a batch script to automate this process, you can download it here. You will need to run this script as an administrator, and the hosts file will automatically be updated. This is a simpler method for people who don't know how, or don't want to alter the file manually.

This file has been checked and is clean

Manual method

The information on this page teaches you how to manually set the DNS target for so that it will still point to YCN servers. At this time, TZ-AC points to GoDaddy, causing issues with the website especially. This guide involves the alteration of your hosts file, and if you follow this guide correctly, you should experience no issues or negative effects from the alteration.

Locating the hosts file
The hosts file exists in different locations depending on your operating system, however can usually be accessed in the same way. First of all open "run" (you may need to do so as an administrator depending on your UAC settings, and run the following command:

notepad %SystemRoot%\system32\drivers\etc\hosts
At the bottom of this file you should add the following two lines, and save:
And that's all! you should then try and open your browser and visit, if this works, then you have altered the hosts file correctly, and can continue to use the TZ-AC website.