I don’t know why sometimes I forget where located list of directories which should be chmod`ed to 0777.
You can easily find list of this directories in Joomla Admin Panel > Help > System Info > Directory Permissions.
administrator/backups/
administrator/components/
administrator/language/
administrator/language/en-GB/
administrator/modules/
administrator/templates/
components/
images/
images/banners/
images/stories/
language/
language/en-GB/
language/pdf_fonts/
media/
modules/
plugins/
plugins/content/
plugins/editors/
plugins/editors-xtd/
plugins/search/
plugins/system/
plugins/user/
plugins/xmlrpc/
templates/
Cache Directory cache/
Cache Directory administrator/cache/
Log Directory ($log_path) logs/
Temp Directory ($tmp_path) tmp/