if you were upgrading from Microsoft CRM 3.0 to Microsoft Dynamics CRM 4.0 and while the pre-requisite checks, you recieved the following error:
"The word breaker for language 1025 is not installed"
Reason:
Most probably that is because you don't have the mentioned language installed on your server
Solution:
- Run the installation program
- Install Complex Script components – open up Regional Settings, click on the Languages tab, and select Install files for complex script and right to left languages.

4. Open SQL Server Management Studio and run the following command in a New Query window on the master DB:
exec sp_fulltext_service 'update_languages';
select * from sys.fulltext_languages