PATH_INFO problem1 user found helpful
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I think this issue should be really fixed in concrete5. Concrete5 does not work correctly if PHP is executed via FastCGI.
If someone or the developer team is interested, I can send you login data to our test / demo server for free.
Anyone interested in helping us to fix that issue?
Just write me a message and I provide you a demo account on a correct configured server running PHP as FastCGI.