IIS 7 and Above
w3wp.exe crash - faulting module iisfcgi.dll
Re: w3wp.exe crash - faulting module iisfcgi.dll
Aug 09, 2013 02:14 AM|lextm|LINK
Sounds like a bug in the FastCGI module.
You can only open a support case via http://support.microsoft.com and share the dump with Microsoft support guys. They should tell if there is a hotfix for you to apply.