7.1 YGG will send out a prior announcement when the network server is about to be suspended due to system maintenance or system upgrade. However, the company too reserves the right to suspend or to terminate the network services (includes interruption or termination halfway) without informing the user in advance.

7.2 YGG reserves the rights to replace, modify, upgrade the user's software at all times and the rights to replace, modify or to upgrade the fee charges. YGG also reserves the right to interrupt the Service from time to time on a regularly scheduled basis with or without the prior notice in order to perform maintenance.