When you try to save a file in Microsoft Office Excel 2007, you receive the following error message:
Your changes could not be saved to ' FileName ' because of a sharing violation. Try saving to a different file.
Note This issue may occur if you repeatedly save the workbook at short intervals.
To resolve this problem, install the following hotfix package:
982125 Description of the 2007 Office system hotfix package (Msoshext-x-none.msp): April 27, 2010
The hotfix that is described in this article fixes one specific issue caused by the Office Shell Extension file (Msoshext.dll). However, there might be other components that cause the same kind of symptoms.