[ACCEPTED]-WampServer: php-win.exe The program can't start because MSVCR110.dll is missing-msvcr100.dll

Accepted answer
Score: 30

During the download of wamp server from 5 wampserver website you get a warning..

WARNING 4 : Vous devez avoir installé Visual Studio 3 2012 : VC 11 vcredist_x64/86.exe Visual 2 Studio 2012 VC 11 vcredist_x64/86.exe : http://www.microsoft.com/en-us/download/details.aspx?id=30679

So 1 if you install the vcredist_xxx.exe it will be ok

Score: 6

What solves my problem: I am using 64 bit 4 Windows 7, so I thought I could install 3 64 bit Wamp. After I Installed the 32-bit 2 version the error does not appear. So something 1 in the developing process at Wamp went wrong...

Score: 2

As far as I am aware, the MSVCRxxx.dlls are in %SystemRoot%\System32 (usually 24 C:\Windows\System32).

The xxx refers to the version of the MS Visual C Runtime (hence MSVCR...)

However, the complication seems to be 23 that the xxx version is not the same as 22 the two digits of the year "version".

For 21 example, Visual C Runtime 2013 yields MSVCR120.dll and "...Runtime 2012" yields MSVCR110.dll. And 20 then Microsoft packages these as vcredist_x86.exe or vcredist_x64.exe, seemingly 19 irrespective of the xxx version or the Visual 18 Studio version number (2012, 2013 etc) - confused? You 17 have every right to be!

So, firstly, you 16 need to determine whether you need 32 bit, 64 bit or 15 even both (some PHP distributions apparently 14 do need both), then download the relevant 13 vcredist... for the bits AND for the Visual 12 Studio version. As far as I can tell, the 11 only way to tell which vcredist... you have 10 is to start to install it. Recent versions 9 give an intro screen that quotes the Visual 8 Studio version and the xxx version. I have 7 renamed by vcredists to something like vcredist_x64_2012_V11.exe.

[EDIT] Forgot 6 to add earlier that if you are simply looking 5 to "install" the missing DLL (as opposed 4 to resolve some bigger set of issues), then 3 you probably won't do any harm by simply 2 installing the relevant vcredist for your 1 architecture (32 bit, 64 bit) and "missing" version.

Score: 0

Windows 10 x64 released August 2015 - same 5 issue arising. MSVCR110.dll is also found 4 in the sysWOW64 folder (which is where I 3 found it, copying to system32 does not help). To 2 resolve:

  1. uninstall the x86 versions of VC 11 vcredist_x64/86.exe for 2012 and 2013
  2. uninstall WAMP Server 2.5
  3. delete (maybe back up first) the WAMP folder
  4. restart windows
  5. reinstall WAMP 2.5

Hopefully like me you have a MySQL 1 database backup handy!

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