Update errors

this all initial started when i tryed to install norton 360 on my computer, it failed, and said i should update windows. when i try to update windows it fails, i got this error messege
WindowsUpdate_800B0100
WindowsUpdate_80093103
i went to this website to try and resolve this.
Windows Update Error 800B0100 - Windows Vista Help
i downloaded the little tool, that finished, but then the windows update just errors again.

just got this error after trying again
WindowsUpdate_800706BA

scott0104404 said:

just got this error after trying again
WindowsUpdate_800706BA

Click to expand...

Boot in safe mode,

enable hidden file view (Click the Vista Start button, click Control Panel, click Folder Options, and then click the View tab. Now Click Show hidden files and folders, and then click OK),

Navigate to C:\Program Data\Microsoft\Network\Downloader delete all the files started with Qmgr.

Restart your computer and try