Thank you.

What are your settings in:
Administration / Configuration → General Settings → Charset selection
Administration / Configuration → General Settings → Use visitor's browser language as default
Server locales can be set on the server (only), using (ie. with debian) # dpkg-reconfigure locales
About ...

Why not? What happens?

Some questions before:
Are you the Admin of the blog?
Did you configure the general language in Administration / Configuration → General Settings → Language → to Bulgarien (Attention: "unsorted" list!)?
Did you also do this in your Personal Settings?
Has your Server ...

Hi.
I installed this wonderful blog, but i can not install Bulgarian language.
I use Coffee cup template.

Can anyone help me? Thanks.

http://ogarloca.site88.net/serendipity/.