How do I fix this? I have gone so far as to make Every Dir/Folder 777 and it still doesn't help.
Also, this file does not exist: tpl_install_install_header.html.inc??

Warning: fopen(cache/tpl_install_install_message.html.inc): failed to open stream: Permission denied in c:\hosting\webhost4life\member\ggg\roster\lib\functions.lib.php on line 1213

Warning: Cannot open file (cache/tpl_install_install_message.html.inc) in c:\hosting\webhost4life\member\ggg\roster\lib\functions.lib.php on line 1215

Warning: fopen(cache/tpl_install_install_header.html.inc): failed to open stream: Permission denied in c:\hosting\webhost4life\member\ggg\roster\lib\functions.lib.php on line 1213

Warning: Cannot open file (cache/tpl_install_install_header.html.inc) in c:\hosting\webhost4life\member\ggg\roster\lib\functions.lib.php on line 1215

Make sure you have a cache directory in the roster directory
And make sure its permissions are set to 777

Next, clear the contents of the cache directory