i have 2 websites, one at EDThosting.com and one at Godaddy.com
it cant be a corrupt file because i took the captcha application and and put it on both websites at their respective hosting. the captcha worked on Godaddy server but not on the EDThosting server.
here is what the admin from EDThosting told me in a email.
You may want to check the product documentation to see
what the requirements are for the session management. the
server is a standard default installation, and sessions
are working perfectly for our other clients on the same
server