set 666 for:
ray/modules/board/xml/config.xml
ray/modules/board/xml/langs.xml
ray/modules/board/xml/main.xml
ray/modules/board/xml/skins.xml
ray/modules/chat/xml/config.xml
ray/modules/chat/xml/langs.xml
ray/modules/chat/xml/main.xml
ray/modules/chat/xml/skins.xml
ray/modules/desktop/xml/config.xml
ray/modules/desktop/xml/langs.xml
ray/modules/desktop/xml/main.xml
ray/modules/desktop/xml/skins.xml
ray/modules/global/data/integration.dat
ray/modules/global/inc/cron.inc.php
ray/modules/global/xml/config.xml
ray/modules/global/xml/main.xml
ray/modules/im/xml/config.xml
ray/modules/im/xml/langs.xml
ray/modules/im/xml/main.xml
ray/modules/im/xml/skins.xml
ray/modules/movie/xml/config.xml
ray/modules/movie/xml/langs.xml
ray/modules/movie/xml/main.xml
ray/modules/movie/xml/skins.xml
ray/modules/mp3/xml/config.xml
ray/modules/mp3/xml/langs.xml
ray/modules/mp3/xml/main.xml
ray/modules/mp3/xml/skins.xml
ray/modules/music/xml/config.xml
ray/modules/music/xml/langs.xml
ray/modules/music/xml/main.xml
ray/modules/music/xml/skins.xml
ray/modules/presence/xml/config.xml
ray/modules/presence/xml/langs.xml
ray/modules/presence/xml/main.xml
ray/modules/presence/xml/skins.xml
ray/modules/shoutbox/xml/config.xml
ray/modules/shoutbox/xml/langs.xml
ray/modules/shoutbox/xml/main.xml
ray/modules/shoutbox/xml/skins.xml
ray/modules/video/xml/config.xml
ray/modules/video/xml/langs.xml
ray/modules/video/xml/main.xml
ray/modules/video/xml/skins.xml

set see more 777 for:
ray/modules/board/files
ray/modules/chat/files
ray/modules/global/app/ffmpeg.exe
ray/modules/im/files
ray/modules/movie/files
ray/modules/mp3/files
ray/modules/music/files

install your ray wigits and register them via admin/plugins/ray/