Installation error message

[Anonymous]

Can anybody help? I get the following error message after installing oscommerce and Im not sure what it means and how to coreect it.
TIA
Lyndon

Step 2: osCommerce Configuration


Warning: fopen("/homepages/32/d66303120/htdocs/catalog/admin/includes/configure.php", "w") - No such file or directory in /homepages/32/d66303120/htdocs/catalog/install/templates/pages/install_5.php on line 164

Warning: Supplied argument is not a valid File-Handle resource in /homepages/32/d66303120/htdocs/catalog/install/templates/pages/install_5.php on line 165

Warning: Supplied argument is not a valid File-Handle resource in /homepages/32/d66303120/htdocs/catalog/install/templates/pages/install_5.php on line 166

The configuration was successful!

[Anonymous]

Check that the file referred to in the messages is NOT marked as read only (if on Windows) if on Linux/UNIX then whatever the equivalent is there.