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What hides behind this name is the Microsoft Visual C++ Redistributable which can easily be downloaded on the Microsoft website as x86 or x64 edition:
Usually the application that misses the dll indicates what version you need - if one does not work, simply install the other.
From: http://www.faqforge.com/windows/fix-the-program-cant-start-because-msvcr100-dll-is-missing-from-your-computer-error-on-windows/