ref link; http://msdn.microsoft.com/en-us/lib...aspx  and http://msdn.microsoft.com/en-us/lib...42487.aspx

sypmtoms;

in storage>catalogue the catalogs show not records or catalog size. SQL logs and windows event logs show

1. "SQL Server failed to communicate with filter daemon launch service  (Windows error: The service did not start due to a logon failure.
   ). Full-Text filter daemon process failed to start. Full-text search functionality will not be available."
2. "A fatal error occurred during a full-text population and caused the population to be cancelled. Population type is: FULL; database name is  ....
    Fix the errors that are logged in the full-text crawl log. Then, resume the population. The basic Transact-SQL syntax for this is: ALTER FULLTEXT INDEX ON table_name RESUME POPULATION."

resolutions;

The fulltext admin service proably has a security problem. Correct the service login account. If the service is not part of a cluster and uses only local resources, try using a local service account.