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Can't upgrade from 14986 to 16179.

Hi,

My computer is Surface Pro and the Windows Insider Preview version is Bulid 14986.rs_prerelease.161202-1928. I was informed the new Insider Preview version 16179.1000(rs.prerelease). Having finished downloading and the install preparing, the system noticed me to restart it to install the new version. I followed the notice and restarted system. It went into the installing interface. But when the installing  percentage was 32%, the interface turned to the other interface which said my computer has  problems that has to restart the system suddenly. It has a ":-(" and a QR code. When the percentage turned 100%. A rollback interface told me that the system was rollbacking to the old Windows version, which was 14986. After that, although I had tried several times to upgrade the system, it failed everytime. Very disappointed.

Most importantly, everytime I started the system, I would receive a window said my 14986 will past due on May 1st and it will restart automatically in several hours. It has 8 days left from today and must affect my study and work.

So, I came to the Microsoft Community to turn to professiors to solve this problem.

Thank for your reply and suggestions.

你好，

我的电脑是Surface Pro，Windows内部版本为14986。昨日我接到新版本16179.1000的更新通知，我当即开始下载更新并且顺利进入准备安装阶段，直到系统提示我重新启动以开始安装更新，一切顺利到进入安装界面，但这时问题就出现了：当百分比艰难地上升到32%时，安装界面突然变成一个绿色为底色的，上面有“:-(”和二维码的类似蓝屏的界面(实际是绿屏)，上面告诉我我的电脑出现故障需要重新启动，Windows需要收集信息后立即重新启动。当百分比100%后，进而进入的是系统回退界面，告诉我系统正在回退到以前版本，即14986。重启之后即使我尝试再更新几次，也无济于事，每次都是失败，这令我很烦恼。

更重要的是，每次我启动电脑进入系统，都会有一个窗口告诉我我的旧版本即将在5月1日过期，过期之后系统会在几个小时内自动重启，距今只剩下8天，这无疑对我的学习和工作带来麻烦。

因此我来到微软社区寻求各位专家的帮助。无论您回复的办法是否能帮我解决这个问题，我都不胜感激。

谢谢！

最后更新：2017-05-12 11:57:45

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