visual studio 2015无法安装 核心功能无法安装 我的解决过程：修复没用 重装也是同一个问题 清除temp下内容没用 清除注册表也没用 用iso装也同一个错误

[weixin_38053353]

[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  Go to Finished page.
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  Watson Bucketting Parameters
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P1 - vs_professional
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P2 - 14.0.25420.01.00
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P3 - 14.0.25420
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P4 - Repair
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P5 - vs_communitycoreres
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P6 - Install
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P7 - 0x80070643
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P8 - 安装程序在安装此软件包时遇到错误。这可能表明此软件包有问题。错误代码为 2902。
[11A0:0D9C][2016-10-25T21:35:50]i000: MUX:  P9 - 
[11A0:0D9C][2016-10-25T21:35:50]i399: Apply complete, result: 0x80070643, restart: None, ba requested restart:  No