有用科技小编2026/10/14
浏览9760
阅读13分钟64 位系统上，VC++ 2015-2022 运行库 x86+x64 两套通常都要装：64 位程序从 C:\Windows\System32 调 x64 版，32 位程序从 C:\Windows\SysWOW64 调 x86 版，少一套就会有软件弹 msvcp140.dll、vcruntime140.dll 缺失。安装时提示 0x80070666，说明系统里已经有同产品的另一个版本，走「更改 / 修复」这条路，别再重复硬装。
这类报错多是旧版本残留、位数装错或系统组件损坏造成的，软件本身没坏，不必急着重装或送修。以下方法在 Windows 10/11 实测可用。
适用系统：Windows 10/11；最后更新：2026-10-14。
x86 和 x64 到底差在哪，为什么老装不上
最常见的一幕是：双击游戏或某个软件，跳出「无法启动此程序，因为计算机中丢失 msvcp140.dll」，或者装 VC++ 运行库时直接返回错误代码 0x80070666。
这两个提示指向的方向不一样。缺 dll 是运行库没到位，0x80070666 是系统里已经存在 Microsoft Visual C++ 2015-2022 Redistributable 的另一个版本，安装程序被挡了回来。
'/%3E%3Crect%20x='28'%20y='64'%20width='544'%20height='42'%20rx='10'%20fill='%23e2ecfc'%20stroke='%23dbe3ec'%20stroke-width='1'/%3E%3Ccircle%20cx='52'%20cy='85'%20r='12'%20fill='%232f74ea'/%3E%3Cpath%20d='M46%2085%20l4%204%20l8%20-9'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='76'%20y='90.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='500'%3E确认系统是%2064%20位还是%2032%20位%3C/text%3E%3Ctext%20x='556'%20y='90.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E1%3C/text%3E%3Crect%20x='28'%20y='114'%20width='544'%20height='42'%20rx='10'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1'/%3E%3Ccircle%20cx='52'%20cy='135'%20r='12'%20fill='%232f74ea'/%3E%3Cpath%20d='M46%20135%20l4%204%20l8%20-9'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='76'%20y='140.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='500'%3E控制面板筛出%20Microsoft%20Visual%20C++%20条目%3C/text%3E%3Ctext%20x='556'%20y='140.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E2%3C/text%3E%3Crect%20x='28'%20y='164'%20width='544'%20height='42'%20rx='10'%20fill='%23e2ecfc'%20stroke='%23dbe3ec'%20stroke-width='1'/%3E%3Ccircle%20cx='52'%20cy='185'%20r='12'%20fill='%232f74ea'/%3E%3Cpath%20d='M46%20185%20l4%204%20l8%20-9'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='76'%20y='190.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='500'%3E记下%202015-2022%20x64%20与%20x86%20的版本号%3C/text%3E%3Ctext%20x='556'%20y='190.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E3%3C/text%3E%3Crect%20x='28'%20y='214'%20width='544'%20height='42'%20rx='10'%20fill='%23ffffff'%20stroke='%23dbe3ec'%20stroke-width='1'/%3E%3Ccircle%20cx='52'%20cy='235'%20r='12'%20fill='%232f74ea'/%3E%3Cpath%20d='M46%20235%20l4%204%20l8%20-9'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='76'%20y='240.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='500'%3E看清报错码是不是%200x80070666%3C/text%3E%3Ctext%20x='556'%20y='240.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E4%3C/text%3E%3Crect%20x='28'%20y='264'%20width='544'%20height='42'%20rx='10'%20fill='%23e2ecfc'%20stroke='%23dbe3ec'%20stroke-width='1'/%3E%3Ccircle%20cx='52'%20cy='285'%20r='12'%20fill='%232f74ea'/%3E%3Cpath%20d='M46%20285%20l4%204%20l8%20-9'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2.4'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='76'%20y='290.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='500'%3E确认缺的是%20msvcp140.dll%20还是%20vcruntime140.dll%3C/text%3E%3Ctext%20x='556'%20y='290.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E5%3C/text%3E%3C/svg%3E)
先分清是缺库还是重复安装，再决定补包还是修复，能省掉大量反复重装的功夫。
方法1 先确认系统位数和已装的版本
只有 64 位系统才跑得动 x64 运行库，先把系统位数和已装的 VC++ 版本号查清楚，后面才不会装错包，也不会重复装。
查位数用命令最快，一条命令返回的结果就够判断。已装版本到控制面板看，x64 与 x86 两个条目的版本号都记下来。
操作步骤
- Win+R 输入 cmd，右键「以管理员身份运行」打开命令提示符
- 输入 wmic os get osarchitecture 回车，返回 64-bit 说明是 64 位系统，返回 32-bit 就是 32 位系统
- 也可以走 设置→系统→关于，直接看「系统类型」那一行
- 打开控制面板→程序和功能，在搜索框里输入 Microsoft Visual C++ 做筛选
- 记下 Microsoft Visual C++ 2015-2022 Redistributable (x64) 和 (x86) 各自的版本号，比如 14.38.33130
'/%3E%3Crect%20x='28'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Ccircle%20cx='48'%20cy='94'%20r='15'%20fill='%232f74ea'/%3E%3Ctext%20x='48.0'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E1%3C/text%3E%3Ctext%20x='89.25'%20y='129.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E管理员开命令提%3C/text%3E%3Ctext%20x='89.25'%20y='149.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E示符%3C/text%3E%3Cpath%20d='M154%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232f74ea'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='168'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Ccircle%20cx='188'%20cy='94'%20r='15'%20fill='%232f74ea'/%3E%3Ctext%20x='188.5'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E2%3C/text%3E%3Ctext%20x='229.75'%20y='129.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E跑%20wmic%20看系统%3C/text%3E%3Ctext%20x='229.75'%20y='149.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E位数%3C/text%3E%3Cpath%20d='M295%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232f74ea'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='309'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Ccircle%20cx='329'%20cy='94'%20r='15'%20fill='%232f74ea'/%3E%3Ctext%20x='329.0'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E3%3C/text%3E%3Ctext%20x='370.25'%20y='129.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E设置→系统→关%3C/text%3E%3Ctext%20x='370.25'%20y='149.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E于%3C/text%3E%3Cpath%20d='M436%20124%20l9%209%20l-9%209'%20fill='none'%20stroke='%232f74ea'%20stroke-width='3'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Crect%20x='450'%20y='94'%20width='122'%20height='78'%20rx='12'%20fill='%232f74ea'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Ccircle%20cx='470'%20cy='94'%20r='15'%20fill='%231550c2'/%3E%3Ctext%20x='469.5'%20y='99'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E4%3C/text%3E%3Ctext%20x='510.75'%20y='129.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='600'%3E程序和功能筛%20VC%3C/text%3E%3Ctext%20x='510.75'%20y='149.0'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='14'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='600'%3E++%3C/text%3E%3C/svg%3E)
方法2 判断 x86 和 x64 要不要都装
64 位系统上两个包一般都要装。64 位程序从 C:\Windows\System32 取 x64 版运行库，32 位程序从 C:\Windows\SysWOW64 取 x86 版，两个目录分开存放，谁也不能顶替谁。
不少游戏启动器、老旧办公软件仍是 32 位，只补了 x64 包，它们照样报 msvcp140.dll 缺失。32 位系统只能装 x86 包，硬跑 x64 安装程序会直接失败。
操作步骤
- 64 位程序运行时从 C:\Windows\System32 调用 x64 版运行库
- 32 位程序从 C:\Windows\SysWOW64 调用 x86 版运行库
- 所以 64 位系统上 vc_redist.x64.exe 与 vc_redist.x86.exe 两个包通常都要装
- 32 位系统只装 vc_redist.x86.exe，x64 包装不上
- 拿不准就把两个包都补上，装完重开之前报错的软件验证一次
'/%3E%3Crect%20x='230'%20y='82'%20width='140'%20height='44'%20rx='10'%20fill='%232f74ea'/%3E%3Ctext%20x='300.0'%20y='110'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='middle'%20font-weight='700'%3E该装哪个%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%2045%20132%2045%20184'%20fill='none'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Crect%20x='-13'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23e2ecfc'%20stroke='%232f74ea'%20stroke-width='1.8'/%3E%3Ctext%20x='45.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E64位系统两个都装%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20300%20132%20300%20184'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2'/%3E%3Crect%20x='242'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.8'/%3E%3Ctext%20x='300.0'%20y='212'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E只装x64会缺库%3C/text%3E%3Cpath%20d='M300%20126%20C300%20174%20555%20132%20555%20184'%20fill='none'%20stroke='%232f74ea'%20stroke-width='2'/%3E%3Crect%20x='497'%20y='184'%20width='116'%20height='46'%20rx='10'%20fill='%23e2ecfc'%20stroke='%232f74ea'%20stroke-width='1.8'/%3E%3Ctext%20x='555.0'%20y='204'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='12.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='600'%3E32位系统只装x86%3C/text%3E%3C/svg%3E)
方法3 遇到 0x80070666 先修复别硬装
0x80070666 的含义是系统里已经有了该产品的另一个版本，同一个安装包再跑一遍一定被挡回来，这时候先走修复这一步。
如果报的是 0x80070652，那是另一个安装进程还在运行，先把所有安装窗口关掉，重启再试。
操作步骤
- 先认清报错码：0x80070666 表示已安装该产品的另一个版本，0x80070652 表示另一个安装已在运行
- 打开控制面板→程序和功能，选中 Microsoft Visual C++ 2015-2022 Redistributable (x64)
- 点上面的「更改」，在跳出来的窗口里选「修复」
- 也可以在管理员命令提示符里直接跑：vc_redist.x64.exe /repair /passive /norestart
- x86 同理：vc_redist.x86.exe /repair /passive /norestart，跑完重启再验证
'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='142'%20rx='12'%20fill='%23fdeeec'%20stroke='%23e8604c'%20stroke-width='1.5'/%3E%3Crect%20x='28'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%23e8604c'/%3E%3Crect%20x='28'%20y='94'%20width='262'%20height='12'%20fill='%23e8604c'/%3E%3Cg%20transform='translate(50,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%20-5%20l10%2010%20M5%20-5%20l-10%2010'%20fill='none'%20stroke='%23e8604c'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='70'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E误区%3C/text%3E%3Ccircle%20cx='50'%20cy='126'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E重复硬装同一版本%3C/text%3E%3Ccircle%20cx='50'%20cy='152'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E忽略%200x80070666%3C/text%3E%3Ccircle%20cx='50'%20cy='178'%20r='3'%20fill='%23e8604c'/%3E%3Ctext%20x='64'%20y='182'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E装完还是缺%20dll%3C/text%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='142'%20rx='12'%20fill='%23e2ecfc'%20stroke='%232f74ea'%20stroke-width='1.5'/%3E%3Crect%20x='310'%20y='64'%20width='262'%20height='42'%20rx='12'%20fill='%232f74ea'/%3E%3Crect%20x='310'%20y='94'%20width='262'%20height='12'%20fill='%232f74ea'/%3E%3Cg%20transform='translate(332,85)'%3E%3Ccircle%20r='12'%20fill='%23ffffff'/%3E%3Cpath%20d='M-5%200%20l4%204%20l7%20-8'%20fill='none'%20stroke='%232f74ea'%20stroke-width='2.6'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3C/g%3E%3Ctext%20x='352.0'%20y='91'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='15'%20fill='%23ffffff'%20text-anchor='start'%20font-weight='700'%3E正确%3C/text%3E%3Ccircle%20cx='332'%20cy='126'%20r='3'%20fill='%232f74ea'/%3E%3Ctext%20x='346.0'%20y='130'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E程序和功能点更改%3C/text%3E%3Ccircle%20cx='332'%20cy='152'%20r='3'%20fill='%232f74ea'/%3E%3Ctext%20x='346.0'%20y='156'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E跑%20/repair%20修复%3C/text%3E%3Ccircle%20cx='332'%20cy='178'%20r='3'%20fill='%232f74ea'/%3E%3Ctext%20x='346.0'%20y='182'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13'%20fill='%231f2d3d'%20text-anchor='start'%20font-weight='400'%3E修复后再验证%3C/text%3E%3C/svg%3E)
用「软领DLL系统修复」更省事
手动处理要先分辨系统位数、找对应安装包，碰上 0x80070666 还得逐个卸载重来。软领DLL系统修复的运行库修复会扫一遍系统里缺哪些 VC++ 运行库组件并补齐，省去逐个找安装包、分辨位数的麻烦，也绕开重复安装这类报错。
运行库装完仍有软件报缺文件，可以用 dll修复：针对 msvcp140.dll、vcruntime140.dll 这类提示缺失的文件扫描补回，比手动往 C:\Windows\System32 里拷文件稳妥。
软领是知名国产软件品牌，20 年技术沉淀、服务千万用户，安装包在软领官网 wyouhua.com 直接下载，安装无捆绑勾选项。软件里可以点客服按钮联系真人客服，复杂情况有工程师远程协助。
方法4 修复无效就卸载后重装
连修复都推不动，说明已装的组件本身损坏了。用官方参数静默卸载，重启之后再把 x64 与 x86 依次装上。
操作步骤
- 管理员命令提示符跑：vc_redist.x64.exe /uninstall /passive /norestart
- 再卸 x86：vc_redist.x86.exe /uninstall /passive /norestart
- 重启电脑，让卸载动作彻底生效
- 先装 x64：vc_redist.x64.exe /install /passive /norestart，装完再装 x86
- 重开之前报错的软件，看 msvcp140.dll、vcruntime140.dll 的提示是否消失
安装包放在本地硬盘上跑，比如 D:\tools\vc_redist.x64.exe，别在压缩包里直接双击。
方法5 修系统组件并补齐运行库
装不上、装完仍报错，多数是系统文件或组件存储出了问题。先用 sfc 与 DISM 把系统修一遍，再把缺的运行库补齐。
操作步骤
- 管理员命令提示符跑 sfc /scannow，等扫描跑完，看有没有「已修复」的提示
- sfc 修不动或直接报错，接着跑 DISM /Online /Cleanup-Image /RestoreHealth，这一步需要联网
- 两条都跑完，重启一次电脑
- 确认 C:\Windows\System32 下有 x64 的 msvcp140.dll，C:\Windows\SysWOW64 下有 x86 的副本
- 仍缺组件时，用软领DLL系统修复的运行库修复检测并补齐缺失或损坏项，重启后验证软件能否正常启动
'/%3E%3Cline%20x1='44'%20y1='134'%20x2='556'%20y2='134'%20stroke='%23dbe3ec'%20stroke-width='3'/%3E%3Ccircle%20cx='44'%20cy='134'%20r='9'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='3'/%3E%3Ccircle%20cx='44'%20cy='134'%20r='3.5'%20fill='%232f74ea'/%3E%3Ctext%20x='44.0'%20y='104'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='700'%3E卸载%3C/text%3E%3Ctext%20x='44.0'%20y='86'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='11.5'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E/uninstall%3C/text%3E%3Ccircle%20cx='172'%20cy='134'%20r='9'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='3'/%3E%3Ccircle%20cx='172'%20cy='134'%20r='3.5'%20fill='%232f74ea'/%3E%3Ctext%20x='172.0'%20y='174'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='700'%3E重启%3C/text%3E%3Ctext%20x='172.0'%20y='192'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='11.5'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3E重启电脑%3C/text%3E%3Ccircle%20cx='300'%20cy='134'%20r='9'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='3'/%3E%3Ccircle%20cx='300'%20cy='134'%20r='3.5'%20fill='%232f74ea'/%3E%3Ctext%20x='300.0'%20y='104'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='700'%3E装%20x64%3C/text%3E%3Ctext%20x='300.0'%20y='86'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='11.5'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3Evc_redist.x64%3C/text%3E%3Ccircle%20cx='428'%20cy='134'%20r='9'%20fill='%23ffffff'%20stroke='%232f74ea'%20stroke-width='3'/%3E%3Ccircle%20cx='428'%20cy='134'%20r='3.5'%20fill='%232f74ea'/%3E%3Ctext%20x='428.0'%20y='174'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='700'%3E装%20x86%3C/text%3E%3Ctext%20x='428.0'%20y='192'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='11.5'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3Evc_redist.x86%3C/text%3E%3Ccircle%20cx='556'%20cy='134'%20r='9'%20fill='%232f74ea'/%3E%3Cpath%20d='M552%20134%20l3%203%20l5%20-6'%20fill='none'%20stroke='%23ffffff'%20stroke-width='2'%20stroke-linecap='round'%20stroke-linejoin='round'/%3E%3Ctext%20x='556.0'%20y='104'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='13.5'%20fill='%231f2d3d'%20text-anchor='middle'%20font-weight='700'%3E验证%3C/text%3E%3Ctext%20x='556.0'%20y='86'%20font-family='Segoe%20UI,Microsoft%20YaHei,PingFang%20SC,sans-serif'%20font-size='11.5'%20fill='%235b6b7b'%20text-anchor='middle'%20font-weight='400'%3Esfc%20/scannow%3C/text%3E%3C/svg%3E)
常见问题
VC++ 2015-2022 运行库 x86 和 x64 都有必要装吗？
64 位系统建议都装。x64 版供 64 位程序调用，x86 版供 32 位程序调用，少一个对应的软件就会报缺 dll。32 位系统只装 x86。
装 VC++ 运行库报 0x80070666 该怎么解决？
这个码表示系统里已有同产品的另一个版本。去控制面板→程序和功能选中对应条目点「更改」再选「修复」，或者跑 vc_redist.x64.exe /repair /passive /norestart，别再重复跑安装包。
提示找不到 msvcp140.dll 是不是缺 VC++ 运行库？
多数情况是。msvcp140.dll 由 Microsoft Visual C++ 2015-2022 Redistributable 提供，先确认对应位数的包有没有装，再检查 C:\Windows\System32 与 C:\Windows\SysWOW64 里是否都有这个文件。
vc_redist.x64.exe /repair 跑完还是没用怎么办？
走方法4的卸载重装：先 /uninstall 卸掉 x64 与 x86，重启后再依次 /install，仍不行就上 sfc /scannow 与 DISM 修系统组件。
32 位系统上能不能装 x64 的 VC++ 运行库？
装不上。32 位系统运行不了 64 位程序，只装 vc_redist.x86.exe 就行，强行运行 x64 包会直接失败。
推荐阅读
VC++2015运行库64位装完还报错，先查x64和x86是不是都装上了
应用程序发生异常0xe00008，多半是VC++运行库没装齐
VC++运行库下载哪个版本，先看已装清单再按报错的dll名定位
相关推荐
msvcr110.dll 丢失的解决方法，x86 和 x64 运行库都要装
提示msvcp140_1.dll丢失，重装VC++运行库前先分清32位和64位
vc++2015 2022运行库vc++2015 2022 x86+x64运行库安装失败0x80070666软领DLL系统修复 
提示