setifaceUpdatePackages() has failed Return code is 0x00000426

Hi,
we have avast server edition on our win 2003 server; today I received an error notification

Function setifaceUpdatePackages() has failed. Return code is 0x00000426, dwRes is 00000002. This error occur all the time (also manually) I try to update database or version of progmram.

Viewwing the log I see also before this error another error
17/02/2008 22.03.00 SYSTEM 836 Function setifaceUpdatePackages() has failed. Return code is 0x0000A410, dwRes is 00000000.

What I need to do.

Sorry,
another information that can be usefull, my version:

Build: Dec 2007 4.7.859
Xtreme Toolkit: 1.9.4.0
Active skin: 4.2.7.3

I need some help!!

Hi,
I publish the error.log, part of the setup.log (because the complete file is too big), and warning.log.

I hope someone can help me.