msvcr100.dll is a system file that is part of the Microsoft Visual C++ Redistributable for Visual Studio 2010 package. It contains a set of pre-written code that programs use to perform common tasks, such as input/output operations, string handling, and memory allocation.
Many software programs, particularly games and multimedia applications, rely on this file to function properly. If the file is missing or becomes corrupted, the affected program may fail to start or display error messages indicating that msvcr100.dll is missing.
To resolve this issue, you can try reinstalling the Microsoft Visual C++ Redistributable for Visual Studio 2010 package, which should replace the missing or damaged file. It's important to obtain this package from a reliable source to avoid downloading potentially harmful files.