Consider these scenarios:
When you save an Office file, perform a copy and paste or word attempts to create an auto recovery file, and you receive one of the following error messages:

Note: The number in the error is completely random.
When creating an new email in Outlook and saving a draft or editing a draft the above errors.
When you save an Office file, perform a copy and paste or word attempts to create an auto recovery file, and you receive one of the following error messages:
· There is a serious disk error on file
· "Word cannot save or create this file. The disk may be full or write-protected"
· There is a serious disk error on file ~Word Work File S{<filename>}.tmp.
· "Word cannot save or create this file. The disk may be full or write-protected"
· There is a serious disk error on file ~Word Work File S{<filename>}.tmp.

Note: The number in the error is completely random.
When creating an new email in Outlook and saving a draft or editing a draft the above errors.