The FastCGI process exited unexpectedly

When you install WordPress on a Windows machine you may get the following error message:

HTTP Error 500.0 - Internal Server Error
C:\Program Files (x86)\PHP\v5.5\php-cgi.exe - The FastCGI process exited unexpectedly

Detailed Error Information:
Error Code

The error message is misleading. If you open the Application events in the Event Viewer you may find the following

Faulting application name: php-cgi.exe, version:, time stamp: 0x578fc02c
Faulting module name: MSVCR110.dll, version: 6.3.9600.18233, time stamp: 0x56bb4e1d
Exception code: 0xc0000135
Fault offset: 0x0009d3c2
Faulting process id: 0xcec
Faulting application start time: 0x01d24603ad650d40
Faulting application path: C:\Program Files (x86)\PHP\v5.5\php-cgi.exe
Faulting module path: MSVCR110.dll

The key is the MSVCR110.dll

This DLL is part of the Visual C++ Redistributable for Visual Studio 2012 Update 4. Download the 32 bit version, even if you have a 64 bit operating system, from

After the installation WordPress will start to work without reboot.


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