You may receive 0x8007003 errors when installing windows updates.

From Windows Update.log file, you can find the error information as below:

2007-03-17 12:14:47:639 6128 a54 Handler Post-reboot status for package
Package_for_KB932246~31bf3856ad364e35~x86~~ 0x80070003.
2007-03-17 12:14:47:639 6128 a54 Handler WARNING: Got extended error:
"POQ Operation LoadDefaultUserHive"




This error can happen if the ntuser.dat file is missing from the \user\default folder. Some users have deleted it or for some reason it’s missing.




The solution is very simple. Just creating that folder and copying over a in default user folder from another machine.