You are installing some programs or software or even Windows. You are running a program which is made up of Microsoft Visual C++.ģ. This problem happens to you might in these situations:ġ. And you may meet with this Msvcr100.dll missing issue in some special time.Ĩ Ways to Fix Mscvr100.dll Missing on Windows 10 When is the Msvcr100.dll Missing? This is a kind of DLL errors on Windows systems, in which DLL is short for Dynamic Link Libraries.