You may encounter one of these error messages such as Program Cannot Start Because MSVCR110.dll is missing from your computer. Try reinstalling the program to fix this problem while a specific program is being installed or used.
Many Windows users encounter the appearance of an error message saying MSVCR100.dll missing, MSVCP110.dll missing, MSVCP120.dll missing or MSVCP140.dll missing when starting the system or trying to open or install programs.
This issue typically occurs because of a corruption in the Microsoft VC++ that is installed on your computer. Some error messages may indicate a problem with the DLL file, such as some of these more common error messages:
- MSVCP1xx.dll Not Found.
- The program failed to run because MSVCP1xx.dll was not found. Reinstalling the app may resolve this issue.
- Could not find [PATH]\ MSVCP1xx.dll.
- The file MSVCP1xx.dll is missing.
- Cannot start the program. Missing required components: MSVCP1xx.dll. Please install the program again.

No matter when an error is displayed, it is an important step in troubleshooting to identify when the error occurred. Knowing the context is an important part of identifying how to fix the problem.
In general, the program fails to run because the DLL file was not found. This error occurs when a DLL file is deleted or corrupted for various causes. Sometimes, this indicates a problem with the Windows registry, a virus or malware problem, or even a hardware failure.
What is MSVCR100.dll
MSVCR100.dll is a dynamic link library (DLL) file associated with Microsoft Visual C++ Redistributable. This file contains important functions required by many Windows programs created using Visual C++.
MSVCR100.dll is required by programs that are created using Visual C++ 2010. If this file is missing or damaged, then those programs that need it cannot be run correctly and will encounter errors. Therefore, if you encounter an error message that says that MSVCR100.dll was not found on your computer, you need to reinstall Microsoft Visual C++ Redistributable to fix this problem.
What is MSVCR110.dll
MSVCR110.dll is required by programs that are created using Visual C++ 2012. If this file is missing or damaged, then those programs that need it cannot be run correctly and will encounter errors. Therefore, if you encounter an error message that says that MSVCR110.dll was not found on your computer, you need to reinstall Microsoft Visual C++ Redistributable to fix this problem.
What is MSVCR120.dll
MSVCR120.dll is required by programs that are created using Visual C++ 2013. If this file is missing or damaged, then those programs that need it cannot be run correctly and will encounter errors. Therefore, if you encounter an error message that says that MSVCR120.dll was not found on your computer, you need to reinstall Microsoft Visual C++ Redistributable to fix this problem.
What is MSVCR140.dll
MSVCR140.dll is required by programs that are created using Visual C++ 2015, 2017, and 2019. If this file is missing or damaged, then those programs that need it cannot be run correctly and will encounter errors. Therefore, if you encounter an error message that says that MSVCR140.dll was not found on your computer, you need to reinstall Microsoft Visual C++ Redistributable to fix this problem.