[Plugin: Persian World] Windows live Writer problem PLZ help

i’m a new blogger i was using your plugin till i found this problem :
i use Windows live writer or MS word to publish my posts i get this message when your plug in is activated:

The response to the metaWeblog.getRecentPosts method received from the blog server was invalid:

Invalid response document returned from XmlRpc server

but i don’t have this problem when your plugin is deactivated!
PLZ help i cant live without Live Writer!!!!
is there any alternative plugin that doesn’t have this problem?

http://wordpress.org/extend/plugins/persian-world/