"Unable to contact kded"

[Frank Weng (a.k.a. Franklin)]

Hi list,

My KDE 4.0.5 was installed from Mandriva contrib backports, but very unstable.  
Sometimes a strange icon was in my systray.  Sometimes when I logged out the 
KNotify crashed.  My KDE wallet manager had no any wallet in it, and I could 
not add a new wallet.

Today I tried to open the "Service manager" in the system setting, but it gave 
me an error message: "Unable to contact kded".  I remembered that when I used 
KDE3 installed from Mandriva cooker sometimes I got the same stranger 
behavior, and sometimes it told me that it could not contact with kded too.

Would anyone please tell me how to solve this problem?

Thanks.


Regards,
Frank
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