ActiveX controls showing a big red X on my workbook

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If you've ever used ActiveX controls on your Excel Spreadsheet you may have run into the problem of the control suddenly no longer working. When you open the workbook there's nothing but a big red X in the place of where your control used to be. The tree-view (treeview) control comes to mind, which may have stopped working after applying the fix in KB article 982308 (https://support.microsoft.com/kb/982308). Fret not, for there is a hotfix available to remedy this behavior. It is here - https://support.microsoft.com/kb/2483214. This will restore the treeview control to full working order.

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