Office Problem

[DAGNICOURT Sebastien - NTR]

Hello,
I run samba 2.0.6 on a HP 9000 server with HP/UX 10.20.
When i worked with 2.0.5a version, there was no problem.
The problem is:
The unix user create a file by using a software.
Then the user try to open this file with excel.
The first time, excel refuse to open the file, or open it empty or simply
crash !
If the user close excel and try again this works well.
Is there a patch to avoid that (i try 2.0.7 but the problem is still
remaining) ?
The share used is "users" and "geodis".

Here my smb.conf file:
[global]
        workgroup = WORK01
        netbios name = SAM01
        server string = Samba Server (%h)
        security = DOMAIN
        encrypt passwords = Yes
        password server = *
        username map = /etc/smbusers
        log file = /var/opt/samba/log.%m
        deadtime = 15
        lm interval = 120
        dns proxy = No
        wins server = 10.58.80.1
        preload = users
        lock dir = /var/opt/samba/locks
        invalid users = smsclisvcacct& smsclitoknacct&
        fake oplocks = Yes

[cosmos]
        comment = Partage Cosmos
        path = /tritonbase/cosmos
        valid users = georgeli potin icosmos cosmos bg
        write list = georgeli potin icosmos cosmos bg

[geodis_drh]
        comment = Geodis
        path = /tritonbase/700/dataext/sav_drh
        valid users = vasquez lubin bm lemoine
        read list = vasquez lubin bm lemoine

[users]
        comment = Repertoire utilisateur %U
        path = /Save3/users/%u
        force group = bsp
        read only = No
        create mask = 0775
        security mask = 0777
        force security mode = 00
        directory mask = 0775
        directory security mask = 0775
        force directory security mode = 00

[geodis]
        comment = Geodis
        path = /tritonbase/700/dataext/sav
        guest ok = Yes

[cptaclient]
        comment = Compta client
        path = /tritonbase/700/dataext/cptaclient
        valid users = cambrele aforp3 client2

[interfaces]
        comment = Fichiers d'interfaces
        path = /Save3/samba/interfaces
        guest account = 
        valid users = castel barbarin bm

[mp30]
        comment = Masterpiece
        path = /tritonbase/700/dataext/mp30

[ipics]
        comment = Projet IPICS
        path = /tritonbase/700/dataext/ipics
        valid users = routier cherve bg laguil

[achats]
        comment = Achats
        path = /tritonbase/700/dataext/achats/