Office 2010 Product Key How to change file permis

Hello,Office 2010 Professional Plus, Visitor Login | Register Just trying out EE for the very first time on a windows2003 server and get the following permission errors but I’m unable to change the file permissions through my ftp program. It allows me to change them (or so it seems) but they revert back to their original permission setting no matter how many times I try,Microsoft Office Standard 2007!Any ideas,Office 2010 Product Key, I’m pretty sure I’m making a school boy error here somewhere,Office Professional Plus 2010!Error: Incorrect Permissions for Directories or Files
The following directories or files cannot be written to: path.php ./system_abc/config.php ./system_abc/cache/ images/uploads images/captchas