I agree that VC11 is needed and it is not a bad idea to have previous distributions installed. Visual C++ Redistributable for Visual Studio 2012 If you are running WAMPServer 2.5 you also need the VC11 redist. You will probably find you need at least one of the 32bit runtimes for some app/utility you will install at some point. After all 64bit windows runs 64 and 32 bit code. In fact if you are running the 64bit Windows it is a good idea to install all the 32bit libraries as well as the 64bit ones. SP1 Redistributable Package 圆4 : VC10 SP1 vcredist_圆4.exeĪpache will not run without this component

SP1 Redistributable Package x86 : VC10 SP1 vcredist_x86.exeįor Windows 64 : Be sure that you have installed the Visual C++ 2010

To quote:įor Windows 32 : Be sure that you have installed the Visual C++ 2010 This article on the WampServer forums shows all the Microsoft Visual C++ runtime libraries you need to have installed on your system for each version of WampServer. There you can select the x86 or 圆4 version depending on your system Wampserver 3 requires Visual C++ Redistributable for Visual Studio 2012 Update 4

Search for 'my wamp icon stays orange' posts. After you install the above check if your wamp installation is correctly setup. You can install them and see if this solves your problem. The MSVCR100.dll file is part of the Microsoft Visual C++, redistributables.