phpFreeChat cannot be initialized, please correct these errors:

• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private is not writeable
• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private/cache is not writeable
• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private/chat is not writeable
• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private/chat/s_2dc1eec2966dfacfd2d160629e9750ec can't be created
• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private/chat/s_2dc1eec2966dfacfd2d160629e9750ec is not writeable
• D:\Inetpub\vhosts\emr-design.com\httpdocs\websites\chat\phpfreechat-1.3\src/../data/private/chat/s_2dc1eec2966dfacfd2d160629e9750ec is not readable