FTP IN correct user name

I have problem on ftp after doing installation of some extinction & extra extinctions and apt-get update. The FTP USERS can not login to the ftp service and the welcome message also not appears? "Waiting for well come message"

Freind it was working ok
but after update it dos not work
i try to remove the share
Create new user
but still the same problem
this is the conf file
Include /etc/proftpd/modules.conf
LoadModule mod_vroot.c
UseIPv6 off
ServerName "nas-001"
ServerType standalone
DeferWelcome off
MultilineRFC2228 on
DefaultServer on
ShowSymlinks on
DisplayLogin /srv/ftp/welcome.msg
DisplayChdir .message true
ListOptions "-l"
MaxInstances 30
DenyFilter \*.*/
AuthPAMConfig proftpd
User proftpd
Group nogroup
Umask 000 000
UseFtpUsers off
PersistentPasswd off
DefaultRoot /srv/ftp
TimesGMT off
AllowOverwrite on
AuthOrder mod_auth_pam.c* mod_auth_unix.c
DefaultTransferMode binary
#SystemLog /var/log/proftpd/proftpd.log
<IfModule mod_facl.c>
FACLEngine on
</IfModule>
<IfModule mod_quotatab.c>
QuotaEngine off
</IfModule>
<IfModule mod_ratio.c>
Ratios off
</IfModule>
<IfModule mod_delay.c>
DelayEngine on
</IfModule>
<IfModule mod_ctrls.c>
ControlsEngine on
ControlsMaxClients 2
ControlsLog /var/log/proftpd/controls.log
ControlsInterval 5
ControlsSocket /var/run/proftpd/proftpd.sock
</IfModule>
<IfModule mod_ctrls_admin.c>
AdminControlsEngine off
</IfModule>
<IfModule mod_vroot.c>
VRootEngine on
VRootLog /var/log/proftpd/vroot.log
</IfModule>
<IfModule mod_ban.c>
BanEngine off
BanControlsACLs all allow user root
BanLog /var/log/proftpd/ban.log
BanMessage Host %a has been banned
BanTable /var/run/proftpd/ban.tab
</ifModule>
Port 21
TransferLog /var/log/proftpd/xferlog
RequireValidShell off
IdentLookups on
UseReverseDNS on
TimeoutIdle 1200
TimeoutNoTransfer 600
TimeoutStalled 600
PassivePorts 49152 65534
AllowRetrieveRestart on
AllowStoreRestart on
DeleteAbortedStores off
AllowForeignAddress on
MaxClients 5
MaxConnectionsPerHost 40
MaxLoginAttempts 10
<Directory /srv/ftp>
HideFiles (welcome.msg)
</Directory>

<IfModule mod_vroot.c>
VRootAlias /media/a056a3ff-abd1-467e-a3c2-c192354e0412/backup backup
</IfModule>
<Directory /backup>
<Limit ALL>
AllowUser OR abdullahd,buser,hostingbackup
AllowGroup OR bgroup
DenyAll
</Limit>
<Limit READ DIRS>
AllowUser OR abdullahd,buser,hostingbackup
AllowGroup OR bgroup
DenyAll
</Limit>
</Directory>
<IfModule mod_ban.c>
BanEngine off
BanControlsACLs all allow user root
BanLog /var/log/proftpd/ban.log
BanMessage Host %a has been banned
BanTable /var/run/proftpd/ban.tab
</ifModule>

<IfModule mod_wrap.c>
TCPAccessFiles /etc/hosts.allow /etc/hosts.deny
TCPAccessSyslogLevels info warn
TCPServiceName ftpd
</ifModule>