市场认证失败，请各位大神帮忙分析原因，线等待。。。

Question

以下错误是因为（非特定语言，我的是中国（简体中文）引起的吗？

Application Details Application Test Details
Name: 连环画_牛郎织女 Capabilities Tested: Networking
Version: 1.0
Company Name: Winu Language(s): SimplifiedChinese
Windows Phone OS Version: 7.1
Test ID: 171504 Result: Failed
Failure Summary: 5.2.4.1
Submission Received: 01/02/2012 Exception(s) Applied: None
Testing Completed: 01/06/2012

Technical
5.2 Performance and Resource Management
5.2.4.1
Requirements Expected Result
Pressing the Back button must return the  application to the previous page or return to any  previous page within the back stack.
Test Process Required:
1. Launch the application.
2. Navigate through the application.
3. Press the Back button.
4. Verify that the application closes the screen
that is in focus and returns you to a previous
page within the back stack.

Comments: When the user presses the device Back button, the application does not return to the previous page or return to any previous page within the back stack. Instead, the application terminates.
Steps to Reproduce:
1. Launch the application.
2. Press the cover image.
3. Swipe horizontally to the right until reaching the last page of the book.
4. Press the device Back button to return to the main page. 5. Press the device Back button again and close the application.
6. Launch the application again.
7. Press the cover image again.
8. Swipe horizontally to the left until reaching the first page.
9. Press the device Back button.
10. Observe the application terminates instead of returning to the previous page or return to any previous page within the back stack. Note the application terminates at launch upon subsequent launches.

Answer 1

靠验证的真细心，我照做真的直接退出了。看来我程序有问题。

听人说在哪里要设为英语才能通过验证，请问是批哪里？

Answer 2

问题找到了，我用xml保存设置时，在特定情况下保存的xml文件内容里多了一个">"。引起下次读取设置错误。

但我代码上又找不到问题。

最后我在保存修改前，把原xml文件删除，再保存新设置。一切正常，暂时这样做吧。