Windows update won't work after Norton IS 2014 removal

Removed Norton IS 2014 from a friends computer using windows add/remove, reboot, then ran NRT, reboot. She wants to use anothe security program

Windows update won’t work anymore.

Windows could not search for updates
An error occured while checking for new updates
Error found:
Code 8024402F
Windows encountered an unknown error.

Tried Microsoft fix it tool, found 3 errors it couldn’t fix:
Windows update error 0x80070057(2015-8-26-T-07_19_51P) Not fixed
Problems installing recent updates Not Fixed
Problems installing recent updates Not Fixed

Then when I went back into Windows update it showed -

Most recent check for updates:Never,
Updates wwere installed: Never

Reopened Windows update and her entire update history is gone.

Thoughts asto a solution???