How to Fix - Backup: Cannot create a file when that file already exists. (0x800700B7)?

Backup: Cannot create a file when that file already exists. (0x800700B7)

See the TaskCache fix on another thread....

Anwsers to the Problem Backup: Cannot create a file when that file already exists. (0x800700B7)

Download SmartPCFixer to Fix It (Free)

Hi Dave,
 
Welcome to the Microsoft Community.
As per the description you are unable create backup.
 
I will help you with this issue.
I would suggest you to follow these steps:
 
a)    Click
Start.
b)    Type
regedit.exe in the Start search box and press Enter.
c)    Navigate to the following key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache
d)    Right-click
TaskCache and click Export.
e)    Save the file on the desktop.
f)     Delete the WindowsBackup folder from the following location:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\Microsoft\Windows
g)    Exit registry editor.
 
Note: This section, method, or task contains steps that tell you how to modify the registry.
However, serious problems might occur if you modify the registry incorrectly.
Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it.
Then, you can restore the registry if a problem occurs.
For more information about how to back up and restore the registry, click the
following link.
http://windows.microsoft.com/en-US/windows-vista/Back-up-the-registry
 
Hope this helps.
Let us know if you need further assistance with Windows related issues.
We will be happy to help.

To install drivers and other optional updates

1. To install optional updates, you need to review and then select them from the list of updates that Windows finds for your computer. Optional updates are not installed automatically.
2. Open Windows Update by clicking the Start button Picture of the Start button, clicking All Programs, and then clicking Windows Update.
3. In the left pane, click Check for updates, and then wait while Windows looks for the latest updates for your computer.
4. If any updates are found, click View available updates.
5. Select the optional updates that you want, and then click Install. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Another Safe way to Repair the Problem: Backup: Cannot create a file when that file already exists. (0x800700B7):

How to Fix Backup: Cannot create a file when that file already exists. (0x800700B7) with SmartPCFixer?

1. Click the button to download SmartPCFixer . Install it on your computer.  Open it, and it will perform a scan for your system. The errors will be shown in the scan result.

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