Site5 has restrictions for php files. They must have the correct permissions.

1. Change the permissions of to add "execute"

2- Run sh from the command line

3- Exception: fixperms gives 666 permissions to tiki-install.php Via FTP, you should change to 644

When running ./, choose "fix" and for the rest, just choose click "Enter" to all the questions, to choose the defaults.

$ sh
Command [fix,open]: fix
You are not root. ctrl-c to break now.

Group [apache]:
Multi []: