Site does not open under virtual directory: php-cgi.exe – The FastCGI process exited unexpectedly

Symptoms

• Sites are unavailable with the following error:

  HTTP Error 500.0 - Internal Server Error
  C:Program Files (x86)PleskAdditionalPleskPHP5php-cgi.exe - The FastCGI process exited unexpectedly

  OR

  HTTP Error 502.2 - Bad Gateway
  The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are "".

• There are the following records in Event Viewer:

  Faulting application name: php-cgi.exe, version: 5.2.17.17, time stamp: 0x4d25fc25
  Faulting module name: ntdll.dll, version: 6.3.9600.16502, time stamp: 0x52c35a76
  Exception code: 0xc0000005
  Fault offset: 0x0003e81a
  Faulting process id: 0x1600
  Faulting application start time: 0x01d48bcc7022bf0b
  Faulting application path: C:Program Files (x86)PleskAdditionalPleskPHP5php-cgi.exe
  Faulting module path: C:WindowsSYSTEM32ntdll.dll
  Report Id: aea379ca-f7bf-11e8-80c7-005056968a4f
  Faulting package full name:
  Faulting package-relative application ID:

• The website is located under a virtual directory which has PHP version different from the one set for the main domain (i.e. example.com has PHP 5.6 and example.com/dir/ has php 5.2)

Cause

Not clear

Resolution

1. Log into Plesk;

2. Change PHP version for virtual directory at Domains > example.com > Virtual Directories > {virtual_directory} > PHP Settings.