win10x64 安装 python3.6.5 报错未知错误

有人知道原因吗 T T 之前电脑有 3.4.3 版本的，而且装过 Pillow-5.1.0-cp34-none-win_amd64 （不知道是不是这个导致的）本来想升级下版本的，然后就这样了…… 部分日志： [36D8:4AE4][2018-06-10T19:52:04]i300: Apply begin [36D8:4AE4][2018-06-10T19:52:04]i010: Launching elevated engine process. [36D8:4AE4][2018-06-10T19:52:04]i011: Launched elevated engine process. [36D8:4AE4][2018-06-10T19:52:05]i012: Connected to elevated engine. [18D8:1CA0][2018-06-10T19:52:05]i358: Pausing automatic updates. [18D8:1CA0][2018-06-10T19:52:05]i359: Paused automatic updates. [18D8:1CA0][2018-06-10T19:52:05]i360: Creating a system restore point. [18D8:1CA0][2018-06-10T19:52:05]w363: Could not create system restore point, error: 0x80070422. Continuing... [36D8:4AE4][2018-06-10T19:52:05]i370: Session begin, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{9822e06d-fadf-408e-9776-1614747eaeb3}, options: 0x7, disable resume: No [36D8:4AE4][2018-06-10T19:52:05]i000: Caching bundle from: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}.be\python-3.6.5-amd64-webinstall.exe' to: 'C:\Users\wan\AppData\Local\Package Cache{9822e06d-fadf-408e-9776-1614747eaeb3}\python-3.6.5-amd64-webinstall.exe' [36D8:4AE4][2018-06-10T19:52:05]i320: Registering bundle dependency provider: CPython-3.6, version: 3.6.5150.0 [36D8:4AE4][2018-06-10T19:52:05]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{9822e06d-fadf-408e-9776-1614747eaeb3}, resume: Active, restart initiated: No, disable resume: No [36D8:49B0][2018-06-10T19:52:05]w343: Prompt for source of package: core_AllUsers, payload: core_AllUsers, path: D:\doc\core.msi [36D8:49B0][2018-06-10T19:52:05]i338: Acquiring package: core_AllUsers, payload: core_AllUsers, download from: https://www.python.org/ftp/python/3.6.5/amd64/core.msi [36D8:49B0][2018-06-10T19:52:26]e000: Error 0x80072efd: Failed to send request to URL: https://www.python.org/ftp/python/3.6.5/amd64/core.msi, trying to process HTTP status code anyway. [36D8:49B0][2018-06-10T19:52:26]e000: Error 0x80072efd: Unknown HTTP status code 0, returned from URL: https://www.python.org/ftp/python/3.6.5/amd64/core.msi [36D8:49B0][2018-06-10T19:52:26]e000: Error 0x80072efd: Failed attempt to download URL: 'https://www.python.org/ftp/python/3.6.5/amd64/core.msi' to: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers' [36D8:49B0][2018-06-10T19:52:26]w343: Prompt for source of package: core_AllUsers, payload: core_AllUsers, path: D:\doc\core.msi [36D8:49B0][2018-06-10T19:52:29]i338: Acquiring package: core_AllUsers, payload: core_AllUsers, download from: https://www.python.org/ftp/python/3.6.5/amd64/core.msi [36D8:49B0][2018-06-10T19:57:15]e000: Error 0x80072ee2: Failed attempt to download URL: 'https://www.python.org/ftp/python/3.6.5/amd64/core.msi' to: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers' [36D8:49B0][2018-06-10T19:57:15]w343: Prompt for source of package: core_AllUsers, payload: core_AllUsers, path: D:\doc\core.msi [36D8:49B0][2018-06-10T19:57:18]i338: Acquiring package: core_AllUsers, payload: core_AllUsers, download from: https://www.python.org/ftp/python/3.6.5/amd64/core.msi [36D8:49B0][2018-06-10T19:59:22]e000: Error 0x80072ee2: Failed attempt to download URL: 'https://www.python.org/ftp/python/3.6.5/amd64/core.msi' to: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers' [36D8:49B0][2018-06-10T19:59:22]w343: Prompt for source of package: core_AllUsers, payload: core_AllUsers, path: D:\doc\core.msi [36D8:49B0][2018-06-10T19:59:25]i338: Acquiring package: core_AllUsers, payload: core_AllUsers, download from: https://www.python.org/ftp/python/3.6.5/amd64/core.msi [36D8:49B0][2018-06-10T20:05:38]e000: Error 0x80072ee2: Failed attempt to download URL: 'https://www.python.org/ftp/python/3.6.5/amd64/core.msi' to: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers' [36D8:49B0][2018-06-10T20:05:38]e000: Error 0x80072ee2: Failed to acquire payload from: 'https://www.python.org/ftp/python/3.6.5/amd64/core.msi' to working path: 'C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers' [36D8:49B0][2018-06-10T20:05:38]e313: Failed to acquire payload: core_AllUsers to working path: C:\Users\wan\AppData\Local\Temp{0DD77074-9C80-41DE-9ED8-87ABBB8D9BAC}\core_AllUsers, error: 0x80072ee2. [36D8:4AE4][2018-06-10T20:05:38]e000: Error 0x80072ee2: Cache thread exited unexpectedly. [36D8:4AE4][2018-06-10T20:05:38]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{9822e06d-fadf-408e-9776-1614747eaeb3}, resume: ARP, restart: None, disable resume: No [36D8:4AE4][2018-06-10T20:05:38]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{9822e06d-fadf-408e-9776-1614747eaeb3}, resume: ARP, restart initiated: No, disable resume: No [36D8:4AE4][2018-06-10T20:05:38]i399: Apply complete, result: 0x80072ee2, restart: None, ba requested restart: No