More network/password problems

[jim3297]

Reacently my network system has become unstable. I have 2 windows xp computers connected to a Kubuntu 12.4 machine via wired ethernet. One time the XP computers cannot access and annother time the kubuntu can't access, and then sometimes nether can access. Currently the windows machines are accessing the kubuntu machine, But the Kubuntu machine isn,t. When I go to Dolphin>Network>Samba Share>Workgroup I am asked for a password to access the workgroup. I have never had a password here and never needed one before. I am attaching a copy of my smb.conf.

[Global]
    workgroup = mshome
    server string = %h server (Samba, Kubuntu)
    security = share
    wins support = yes
    map to guest = Bad User
    guest ok = yes
    guest only = yes
    guest account = nobody
    name resolve order =   lmhosts host wins bcast
    null passwords = yes
    encrypt passwords = yes
    dns proxy = no

[Security]
    admin users = jim

[share]
    comment = Kubuntu File Server Share
    path = /srv/samba/share
    writeable = yes
    public = yes
    browseable = yes
    create mask = 0775
    directory mask = 0775


[Primary HDD]
    comment = Primary HDD
    path = /home
    writeable = yes
    browseable = yes
    guest ok = yes
    create mode = 0766
    directory mask = 0766


[Annex HDD]
    comment = Annex HDD
    path = /media/Annex HDD
    writeable = yes
    browseable = yes
    guest ok = yes
    create mask = 0766
    directory mask = 0766

P.S. If there is a way to eliminate the use of passwords I am all for it.

[jim3297]

Solution

Open System settings>Sharing
Clear the Default user name and Default password, leave these spaces empty and close menu.

I am no longer asked for authentication when using the network path: Dolphin>Network>Samba Shares>Workgorup