在同一台windows10电脑上调试过一个工程以后，切换了账号再次调试出现错误
DEP0700 : Registration of the app failed. Another user has already installed a packaged version of this app. An unpackaged version cannot replace this. The conflicting package is {{{PackageName}}} and it was published by CN={{{Certificate Stuff}}}. (0x80073cf9)
没有打包的程序已经被另外一个用户安装过，无法再次安装。google后解决方案如下
http://stackoverflow.com/questions/13865930/how-to-uninstall-an-app-that-another-user-installed
切换到原来的用户
管理员模式下运行power shell
执行get-appxpackage -all命令
找到程序对应的完整称PackageFullName
然后运行命令remove-appxpackage <PackageFullName>
再调试就可以了
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