有用科技小编2026/06/23
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阅读11分钟msvcr100.dll缺失是 Visual C++ 2010 运行库文件丢失引起的，系统报错「由于找不到 msvcr100.dll，无法继续执行代码」，安装对应运行库后绝大多数情况可直接修复，硬件本身大多没坏，不必急着重装系统或送修。
多数原因是运行库未安装、系统文件被误删或病毒破坏、软件卸载不彻底。按以下4种方法从易到难逐个排查——重装运行库、系统文件修复、手动替换文件、工具自动修复——修好即停。以下方法在 Windows 10/11 实测可用。
适用系统：Windows 10/11；最后更新：2026-06-22。
msvcr100.dll缺失是什么情况
msvcr100.dll 是 Microsoft Visual C++ 2010 Redistributable 的核心运行库文件，路径通常为 C:\Windows\System32\msvcr100.dll（64位系统的32位程序所需文件在 C:\Windows\SysWOW64\msvcr100.dll）。许多用 Visual Studio 2010 编译的应用程序在启动时会调用此文件，一旦缺失就弹出报错「由于找不到 msvcr100.dll，无法继续执行代码」或「msvcr100.dll丢失」，程序无法打开。
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常见原因包括：运行库从未安装（新装系统或纯净系统缺少 VC++ 2010）、杀毒软件误隔离、程序卸载时误删共享文件、硬盘坏道或断电导致文件损坏。先判断是否装过 VC++ 2010 运行库，再对症处理，能省去大量盲目重装的时间。
方法1 重装 Visual C++ 2010 运行库
直接从微软官网下载并安装 Visual C++ 2010 Redistributable，是修复 msvcr100.dll 缺失最直接、成功率最高的方法；安装程序会自动将 dll 写入正确的系统目录并完成注册。
操作步骤
- 打开浏览器，搜索「Microsoft Visual C++ 2010 Redistributable Package」，进入微软官方下载页。
- 根据系统位数选择版本：64位系统下载
vcredist_x64.exe，32位系统下载vcredist_x86.exe；64位系统若运行32位程序则两个都装。 - 双击运行安装程序；若提示「已安装更高版本」则选「修复」而非跳过。
- 安装完成后重启计算机，再次启动原来报错的程序验证是否恢复正常。
msvcr100.dll缺失时，官方 VC++ 2010 安装包会自动写入正确路径，是最推荐的第一步。
方法2 运行系统文件检查器修复受损文件
如果 msvcr100.dll 已存在但被损坏，或系统文件整体受损，可用 Windows 内置的 sfc /scannow 扫描并修复受保护的系统文件，无需额外下载。
操作步骤
- 按
Win + S搜索「命令提示符」，右键选「以管理员身份运行」。 - 在命令提示符窗口中输入
sfc /scannow并回车；扫描通常需要5-15分钟，期间不要关闭窗口。 - 扫描完成后，若提示「Windows 资源保护找到了损坏文件并已成功修复」，重启计算机。
- 若 sfc 无法修复，继续执行
DISM /Online /Cleanup-Image /RestoreHealth，完成后再次运行 sfc。
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sfc 修复完成后重启，多数因文件损坏导致的 msvcr100.dll丢失报错会消失。
方法3 手动下载并放置 msvcr100.dll 文件
若以上两步无效，可从可信来源获取与系统匹配的 msvcr100.dll 并手动放置；注意区分32位与64位版本，放错目录会导致程序仍无法调用。
操作步骤
- 从可信的 dll 文件库或其他正常运行的同版本 Windows 系统中获取 msvcr100.dll，确认文件版本与系统位数匹配（文件属性→详细信息中可查看文件版本）。
- 64位系统：64位 dll 放入
C:\Windows\System32\，32位 dll 放入C:\Windows\SysWOW64\；32位系统：dll 放入C:\Windows\System32\。替换前先将原有同名文件备份到其他位置。 - 以管理员身份打开命令提示符，执行
regsvr32 msvcr100.dll完成注册；若提示「成功注册」即可。 - 重启计算机后测试原来报错的程序。
手动放置文件前务必先备份原有文件；若 CRC 检验失败或硬盘有坏道，建议先做硬盘检测再操作。
方法4 用「软领DLL系统修复」更省事
软领DLL系统修复的 dll修复 和 运行库修复 功能，能自动检测系统中缺失或损坏的 dll 与运行库文件（包括 msvcr 系列），匹配正确版本后自动完成修复注册，省去手动判断32/64位和逐个安装的过程。软领是知名国产软件品牌，20年技术沉淀、服务千万用户，从官网 wyouhua.com 直接下载，安装无捆绑勾选项。
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如果操作完成后仍有异常，界面上可以点客服按钮联系真人客服，复杂情况有专业工程师远程协助，不用自己摸索。
常见问题
msvcr100.dll和msvcp100.dll是同一个文件吗？
不是同一个。msvcr100.dll 是 C 运行库（CRT），msvcp100.dll 是 C++ 标准库，两者都属于 Visual C++ 2010 Redistributable，但功能不同。缺哪个就补哪个，重装 VC++ 2010 运行库包可同时修复两者。
msvcr100.dll丢失和msvcr120.dll丢失修复方法一样吗？
思路一致，但对应的运行库版本不同：msvcr100.dll 对应 VC++ 2010，msvcr120.dll 对应 VC++ 2013。修复时要下载对应版本的 Redistributable，不能混用。
64位系统装了vcredist_x64.exe还是提示msvcr100.dll缺失怎么办？
部分32位程序在64位系统上运行时需要32位版本的 msvcr100.dll（位于 SysWOW64），此时需要额外安装 vcredist_x86.exe。建议两个版本都安装。
msvcr100.dll缺失会导致游戏闪退吗？
会。许多用 Visual Studio 2010 编译的游戏（包括部分 Steam 游戏）在启动时依赖 msvcr100.dll，缺失会直接导致游戏无法启动或启动后立即退出，修复运行库即可解决。
用杀毒软件查杀后msvcr100.dll被隔离了怎么恢复？
进入杀毒软件的「隔离区」或「病毒库」，找到被隔离的 msvcr100.dll，选择「恢复」或「信任」；恢复后若程序仍报错，建议重装 VC++ 2010 Redistributable 以确保文件完整。
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