Windows update logfile

Why I can not find on XP workstation in Windows update logfile report
like:
... IUCTL Starting ...

The logfile looks like that and no updates are done:

2005-04-29 12:31:32 10:31:32 Success IUENGINE Starting
2005-04-29 12:31:32 10:31:32 Success IUENGINE Determining
machine configuration
2005-04-29 12:31:33 10:31:33 Success IUENGINE Querying
software update catalog from http://xy.xy/autoupdate/getmanifest.asp
2005-04-29 12:31:33 10:31:33 Success IUENGINE Determining
machine configuration
2005-04-29 12:31:33 10:31:33 Success IUENGINE Querying
software update catalog from http://xy.xy/autoupdate/getmanifest.asp
2005-04-29 12:31:33 10:31:33 Success IUENGINE Determining
machine configuration
2005-04-29 12:31:33 10:31:33 Success IUENGINE Querying
software update catalog from http://xy.xy/autoupdate/getmanifest.asp
2005-04-29 12:31:34 10:31:34 Success IUENGINE Determining
machine configuration
2005-04-29 12:31:34 10:31:34 Error IUENGINE Querying
software update catalog from
http://xy.xy/autoupdatedrivers/getmanifest.asp (Error 0x80190194)
2005-04-29 12:31:34 10:31:34 Success IUENGINE Shutting down