vcomp120.dll 相关的错误可能源于多种不同原因。比如，错误的应用程序、 vcomp120.dll 被删除或放错位置、被您 PC 上存在的恶意软件破坏、损坏的 Windows 注册表等。
最常出现的错误信息是：
- 程序无法启动，因为您的计算机缺少 vcomp120.dll 。尝试重新安装程序来解决这个问题。
- 启动 vcomp120.dll 发生错误。无法找到指定的模块
- 加载 vcomp120.dll 发生错误。无法找到指定的模块
- vcomp120.dll 的设计可能不适合在 Windows 上运行，或可能包含错误。
在绝大多数情况下，解决方案是在您的 PC 上正确地重新安装 vcomp120.dll 到 Windows 系统文件夹。 此外，有的程序，特别是 PC 游戏，要求 DLL 文件放置在游戏/应用程序安装文件夹。
获取详细安装指南，请查看我们的 FAQ 。
关于 vcomp120.dll 的其他信息：
vcomp120.dll is a part of the "Microsoft Visual C++ Redistributable Packages for Visual Studio 2013" and is often required for running programs developed with Visual C++.
Some games or applications may need the file in the game/application installation folder. Copying it from Windows systemfolder to the install-folder of the game/application should fix that problem. Make sure to use the 32bit dll-file for 32bit software, and 64bit dll-file for 64bit software.
If it for some reason doesn't work by just replacing the file, you might need to re-install the Microsoft visual C++ Redistributable package which can be found at this Microsoft support page
x86 for 32bit (x86) Windows, x64 for 64bit (x64) Windows. If using a 64bit Windows, install both.