You can compare the files :
http://svn.automattic.com/wordpress/tags/3.5.1/
Delete everything and create a new database. Freshly try to install it again.
Or if you need a free web hosting, you can use RedHat OpenShift or AppFog like Platform as a Service. OpenShift will require nothing to configure, just click to install -- https://www.youtube.com/watch?v=eBFup8cWgQg