Well I think I may have sorted it out after all.

Changes the permissions - nothing.

Then I noticed that there were no thumbnails for my WMV's. Little things
started too disappear, or disable.

Finally, I backed up the whole of the C drive, and reinstalled Vista, as an
upgrade. This repalces all the master files, but leaves your settings.

Everything back to normal.

"Gazza" wrote:

> There isn't a fault with the back-up drive so I will change the permissions
> and give it another go.
>
> "AlexB" wrote:
>
> > The error message 0x80070005 simply means "Access is denied." What you will
> > have to check why it is being denied. It may be that some of the updates
> > unintentionally changed the folder/drive permission. Recheck them.
> > Everything should be find when your access authority is properly restored.
> >
> > "Tinribs" <Tinribs@discussions.microsoft.com> wrote in message
> > news:CA6E1277-0A60-417B-9FFF-D545357788A1@microsoft.com...
> > > Gazza,
> > > I am having a similar problem with B/U on Vista.
> > >
> > > For the last 8 weeks or so, I have my computer set for an automatic backup
> > > every Sunday evening at 7pm. It was successful for the first 4 weeks and
> > > then I get the message:
> > > "Backup did not complete successfully. Incorrect function: 0x80070001"
> > > This is the 4th week I receive this error message. Do you understand what
> > > this error number means. It is similar to your error except for the last
> > > digit.
> > > Edward kelly
> > >
> > > "Gazza" wrote:
> > >
> > >> This is quite amazing. After 5 months of using the in-built backup
> > >> facility,
> > >> Vista suddenly decides that it is not going to be helpful anymore.
> > >> Everytime
> > >> I attempt a backup I am getting a a 0x80070005 error. This is stupid. I
> > >> have
> > >> over 1Tb of storage available to me so I shouldn't be getting this error.
> > >> I
> > >> have also attempted to backup to another external drive and the same
> > >> problem.
> > >>
> > >> Easy to solve I thought. I have spent the last 6 days on the Net trying
> > >> to
> > >> find a solution and there isn't one. I have chkdsk the drives, run
> > >> utility
> > >> programes and everything is saying the drives are ok.
> > >>
> > >> MS don't have an answer. Does anyone know what to do?
> >
> >