Dont unininstall it, try to run this query...
Code:
$db->query_write("UPDATE TABLE_PREFIXvbp_option SET optionsettings = 'a:3:{i:1;a:5:{s:4:\"type\";s:1:\"1\";s:7:\"varname\";s:26:\"vbplaza_userbuyselfribbons\";s:5:\"title\";s:32:\"Users Can Buy Themself a Ribbon?\";s:11:\"description\";s:77:\"Enable this setting so that users can buy themself a Ribbon. (Default is On.)\";s:5:\"value\";s:1:\"1\";}i:2;a:5:{s:4:\"type\";s:1:\"1\";s:7:\"varname\";s:25:\"vbplaza_giveribbonssendpm\";s:5:\"title\";s:35:\"Awareness Ribbons sends PM to user?\";s:11:\"description\";s:90:\"Enable this to send a PM to the user who was send a Ribbon from an user. (Default is Yes.)\";s:5:\"value\";s:1:\"1\";}i:3;a:5:{s:4:\"type\";s:1:\"1\";s:7:\"varname\";s:28:\"vbplaza_userbuyothersribbons\";s:5:\"title\";s:30:\"Users Can Buy Others a Ribbon?\";s:11:\"description\";s:75:\"Enable this setting so that users can by others a ribbon. (Default is Off.)\";s:5:\"value\";s:1:\"0\";}}' WHERE itemid = '118'");
Change TABLE_PREFIX to your table prefix or remove it if u dont have one, then check Manage Options -> Awareness Ribbons to see if they are there?
If they are there, run vbPlaza Maintenance -> Rebuild Datastore and it should be fixed.
-CMX