If you get the error message where users can’t open documents from SharePoint, do this on the client machine.
- Right-Click on Start and choose ‘Open Windows Explorer’
- Tools > Folder Options. Choose the View tab.
- In ‘Hidden Files and folders ‘ select ‘Show hidden files, folders and drives.
- Uncheck ‘Hide protected operating system files(Recommended)’
- Go to C:\Users\username\AppData\Local\Microsoft\Office\14.0\OfficeFileCache
- Delete the FSD and FSF files from there. There might be one or two files which you might not be able to delete because they are currently being used.
- Open Internet Explorer browser.
- Got to Tools>Internet Options>Advanced.
- Click on the ‘Restore advanced settings’ button.
- Close the IE browser.
- Open the Excel or Word documents from SharePoint as a test.
- Close the documents. Follow steps 1 – 4
- In ‘Hidden Files and Folders’ select ‘Don’t show hidden files, folders, or drives’
- Check the ‘Hide protected operating system files(Recommended)’