Most often, the write caching was turned off, and you failed to use the
'safely remove hardware' wizard.
The properties of the drive have a "Policies" tab for that. Toggling that
setting back and forth may reset your system.
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Mark L. Ferguson
..
"beckyabraham03" <> wrote in message
news:164E2A8B-18B2-45B1-AD37-...
>I am trying to back up my files to an external hard drive (drive G) and
>about
> a month ago started getting "Back up cannot complete. catostrophic error
> 0x8000FFFF"
>
> I tried to reset my back up settings (from the control panel) and also get
> an error message about the C drive.
>
> Any help would be much appreciated.