I had the same error whilst integrate

ing) 885835... I had only
previous integrated MS04-041 and subsequent patches integrated fine
I had to install the patch manually :-(
>
> I was attempting to slipstream the KB885250 / MS05-011 hotfix into a set of
> Windows XP SP2 Home Edition installation files. I received the message: "An
> error occured while attempting to integrate this software update package.
> Verify that the architecture, language, and service pack level of this
> software update are valid for the target distribution folder."
>
> I was, however, able to sucessfully slipstream these other KB updates:
> 867282
> 873333
> 873339
> 885835
> 885836
> 886185
> 887472
> 887797
> 888113
> 888302
> 890047
> 890175
> 891781
>
> I was just wondering what is going on and why the /integrate command does
> not work as expected. To get around the problem until a solution is
> discovered, I extracted the update files using the /x command manually
> integrated KB885250 into the installation files.
>
> I am not sure, but wonder if it is somehow related to the mrxsmb.sys file
> that is being updated by KB885250. Note that KB885835 / MS04-044 updates the
> mrxsmb.sys file as well, but KB885250 contains version 5.1.2600.2598 - which
> is the newest version.
>
> Thank you. I hope a fix can be found.