060113 16:22:40 InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
060113 16:22:40 InnoDB: Starting log scan based on checkpoint at
InnoDB: log sequence number 0 45150.
InnoDB: Doing recovery: scanned up to log sequence number 0 45196
InnoDB: Last MySQL binlog file position 0 79, file name /var/log/mysql/mysql-bin.000106
060113 16:22:40 InnoDB: Flushing modified pages from the buffer pool...
060113 16:22:40 InnoDB: Started; log sequence number 0 45196
060113 16:22:40 [ERROR] Fatal error: Can't open and lock privilege tables: Table './mysql/user' was created with a different version of MySQL and cannot be read

When launching mysqld on debian linux i got this error message.
This mysql is used in order to run a zone minder server.
So, how can i fix this ? Convert this user table into innoDB? Convert it into sysim something ... ?

... please give me some light, i HAVE to fix this really quickly.

thanks in advance

Phakso