我不知道为什么，但最近 VS 2015 开始出现奇怪的现象，拒绝打开旧项目等。我尝试修复它，但问题仍然出现。因此，我尝试卸载它，但它在 75% 左右停止运行。我认为问题可能来自我的“旧”VS 2013，而且总是需要一点磁盘空间，所以我现在尝试卸载 VS 2013。它在 10% 左右停止运行，并出现以下错误（法语翻译）：
安装失败：无法继续安装，因为某些必需的组件出现故障。
日志文件的最后几行：
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Installation size in bytes for package: vs_professionalcoreres MaxAppDrive: 0 MaxSysDrive: 269455360 AppDrive: 0 SysDrive: 186781696
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Return Code:0x0 Msi Messages:0 Result Detail:RollbackCleanup Restart:None
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Reset execution Result
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Reset Result
[3E7C:09EC][2016-06-17T15:52:42]i319: Applied rollback package: vs_professionalcoreres, result: 0x0, restart: None
[2020:233C][2016-06-17T15:52:42]i325: Registering dependency: {bcb1dbb2-9952-4189-a656-cf0820910916} on package provider: Microsoft.VS.professionalcoreres_fra,v12, package: vs_professionalcoreres
[2020:233C][2016-06-17T15:52:42]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{bcb1dbb2-9952-4189-a656-cf0820910916}, resume: ARP, restart: None, disable resume: No
[2020:233C][2016-06-17T15:52:42]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{bcb1dbb2-9952-4189-a656-cf0820910916}, resume: ARP, restart initiated: No, disable resume: No
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Apply Complete: Disk Space Used in bytes for Installation: MaxAppDrive: 0 MaxSysDrive: 86581248 AppDrive: 0 SysDrive: 3907584
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Free Disk Space after install: SystemDrive C:\ 103698874368 bytes AppDrive C:\ 103698874368 bytes
[3E7C:09EC][2016-06-17T15:52:42]i000: MUX: Go to Finished page.
[3E7C:09EC][2016-06-17T15:52:42]i399: Apply complete, result: 0x80070643, restart: None, ba requested restart: No