When you are Install Wamp Server 2 in your windows PC then you got this type of error as show in image.
MSVCR100.dll file is on of the part of the
Microsoft Visual C++. You can install them and see if this solves your problem. After you install the above check if your wamp installation is correctly setup. Search for “my wamp icon stays orange” posts.
Where to Donload?
For Windows 32 bit : http://www.microsoft.com/download/en/details.aspx?id=8328
For Windows 64 bit : http://www.microsoft.com/en-us/download/details.aspx?id=13523
Hope you got proper solution.