cannot commit some files

>Submitter-Id:   Antoine Cavalié
>Originator:     Antoine Cavalié
>Organization:
www.winbe.com
>Confidential:
no
>Synopsis:      
Sometimes, cannot commit files, don't know why
>Severity:      
serious
>Priority:      
medium
>Category:      
cvs
>Class:         
support
>Release:       1.11.1p1
>Environment:
        
System: Linux logs 2.2.14-5.0 #1 Tue Mar 7 21:07:39 EST 2000 i686 unknown
Architecture: i686

>Description:
        
WinCvs 1.2  and  Concurrent Versions System (CVS) 1.11.1p1 (client/server)
Some files don't want to be committed .
WinCvs replies :
        cvs -z9 commit -m "what ?" index.php (in directory C:\Documents and 
Settings\Antoine.WINBE-QLGI5ME4T\My 
Documents\EasyPHP\www\endromis\MailingB2B\admin\)
        *****CVS exited normally with code 0*****
but file is not commited
other files, in the same directory, which seem to have same properties, work , 
but this one don't want
I am the only one who work with that file

>How-To-Repeat:
        
I don't know why it appeared
>Fix:
        
I didn't find how to correct