How to Resolve - Backup fails to complete, there is some I/O device error?

Backup fails to complete, there is some I/O device error

Original Title: MS Backup fails to complete
I have been trying to back up my system using Windows Backup but it has failed repeatedly.  The only information it returns is that there is some I/O device error.
I am backing up to a Seagate external disc with plenty of spare room - over 600GB - which has a dedicated USB3 port and has no other known vices.
What can he holding things up?
Thanks

Anwsers to the Problem Backup fails to complete, there is some I/O device error

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Hi Vagulus,
These I/O errors might occur if there are some bad sectors on the hard disk.
To help you better, please reply with the below information.
What is the complete error message you receive?Which antivirus application are you using?
I have come across the similar issue in the Microsoft Community.
Please follow the suggestions posted on
18th of March 2012 by Winston M and check if it fixes the issue.

http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/windows-7-io-device-error-0x8007045d-when-backing/cb0f0374-12a9-4f0f-847e-302d87161640
Hope the information provided is helpful.
Keep us posted on the status of the issue.

Manually editing the Windows registry to fix Error Backup fails to complete, there is some I/O device error

Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

• Click the Start button.
• Type "command" in the search box... DO NOT hit ENTER yet!
• While holding CTRL-Shift on your keyboard, hit ENTER.
• You will be prompted with a permission dialog box.
• Click Yes.
• A black box will open with a blinking cursor.
• Type "regedit" and hit ENTER.
• In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
• From the File menu, choose Export.
• In the Save In list, select the folder where you want to save the Windows Operating System backup key.
• In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
• In the Export Range box, be sure that "Selected branch" is selected.
• Click Save.
• The file is then saved with a .reg file extension.
• You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.

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