IIS 7 and Above
w3wp.exe crash - faulting module iisfcgi.dll
Re: w3wp.exe crash - faulting module iisfcgi.dll
Aug 11, 2013 10:12 PM|kctt|LINK
Do you get any error on website or just error log?
Wordpress and shared application pool do not work well together.
I think there's something to do with session handling of wordpress sites sharing same application pool.