Sometimes WordPress needs some DB love. Convert tables to use utf8 so PHP will stop throwing errors.

convert-to-utf8.sql

alter table wp_ak_twitter   					convert to character set utf8 collate utf8_general_ci;
alter table wp_banner 						convert to character set utf8 collate utf8_general_ci;
alter table wp_commentmeta 						convert to character set utf8 collate utf8_general_ci;
alter table wp_comments 						convert to character set utf8 collate utf8_general_ci;
alter table wp_links 						convert to character set utf8 collate utf8_general_ci;
alter table wp_ngg_album 						convert to character set utf8 collate utf8_general_ci;
alter table wp_ngg_gallery 						convert to character set utf8 collate utf8_general_ci;
alter table wp_ngg_pictures 						convert to character set utf8 collate utf8_general_ci;
alter table wp_options 						convert to character set utf8 collate utf8_general_ci;
alter table wp_pollsa 						convert to character set utf8 collate utf8_general_ci;
alter table wp_pollsip 						convert to character set utf8 collate utf8_general_ci;
alter table wp_pollsq 						convert to character set utf8 collate utf8_general_ci;
alter table wp_popularpostsdata 						convert to character set utf8 collate utf8_general_ci;
alter table wp_popularpostsdatacache 						convert to character set utf8 collate utf8_general_ci;
alter table wp_postmeta 						convert to character set utf8 collate utf8_general_ci;
alter table wp_posts 						convert to character set utf8 collate utf8_general_ci;
alter table wp_sodahead_user 						convert to character set utf8 collate utf8_general_ci;
alter table wp_tantan_wordpress_s3_cache 						convert to character set utf8 collate utf8_general_ci;
alter table wp_term_relationships 						convert to character set utf8 collate utf8_general_ci;
alter table wp_term_taxonomy 						convert to character set utf8 collate utf8_general_ci;
alter table wp_terms 						convert to character set utf8 collate utf8_general_ci;
alter table wp_usermeta 						convert to character set utf8 collate utf8_general_ci;
alter table wp_users 						convert to character set utf8 collate utf8_general_ci;
alter table wp_woo_custom_nav_menus 						convert to character set utf8 collate utf8_general_ci;
alter table wp_woo_custom_nav_records 						convert to character set utf8 collate utf8_general_ci;