安装python3.5时出现严重错误无法完成安装，请问这个是什么情况？怎么解决？？

Answer 1

其次是不是这个

log

以下是 log 
24EC:23C8][2016-02-24T10:03:29]e000: Error 0x80240017: Failed to execute MSU package.
[2534:2368][2016-02-24T10:03:29]e000: Error 0x80240017: Failed to configure per-machine MSU package.
[2534:2368][2016-02-24T10:03:29]i319: Applied execute package: crt_14.0_v6.1_x64, result: 0x80240017, restart: None
[2534:2368][2016-02-24T10:03:29]e000: Error 0x80240017: Failed to execute MSU package.
[24EC:23C8][2016-02-24T10:03:29]i351: Removing cached package: crt_14.0_v6.1_x64, from path: C:\ProgramData\Package Cache\42D5BEC7DDFBD49E76467529CBC2868987BF8460\
[2534:2368][2016-02-24T10:03:29]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{e599f76f-2b95-44da-a280-77548b1b2a21}, resume: None, restart: None, disable resume: No
[2534:2368][2016-02-24T10:03:29]i330: Removed bundle dependency provider: {e599f76f-2b95-44da-a280-77548b1b2a21}
[2534:2368][2016-02-24T10:03:29]i352: Removing cached bundle: {e599f76f-2b95-44da-a280-77548b1b2a21}, from path: C:\Users\Administrator\AppData\Local\Package Cache{e599f76f-2b95-44da-a280-77548b1b2a21}\
[2534:2368][2016-02-24T10:03:29]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{e599f76f-2b95-44da-a280-77548b1b2a21}, resume: None, restart initiated: No, disable resume: No
[2534:2368][2016-02-24T10:03:29]i399: Apply complete, result: 0x80240017, restart: None, ba requested restart: No

Answer 2

win7 需要sp1补丁，及组件补丁。

可打开系统更新中，安装更新后重新安装Python3.x。

Answer 3

第三，系统配制

Answer 4

能够详细点吗？

解决方案：

1，若安装了python2先卸载，再安装python3