If the plug-in does not appear in (Start -> Control Panel -> Add or Remove Programs), it may be possible it was not fully installed.

Complete the following steps:

  1. Remove your existing plug-in (Start -> Control Panel -> Add or Remove Programs)
  2. Open the Windows command line (Start -> Run).
  3. Run this command: rundll32 dfshim CleanOnlineAppCache.
  4. Re-install the Add-on

If the same error occurs, try this:

  1. Ensure Excel is closed.
  2. Browse (type this on the address bar of windows explorer, or ‘Start+Run’ ) to this directory on your computer: %localappdata%\Apps\2.0
  3. Delete everything under this directory (it’s just a cache). If some files are used and cannot be deleted, you’ll have to log off Windows.
  4. When the directory is empty retry the installation.


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