主题：[求助]在输出打印中不能新建excel模板

我在输出打印中不能新建excel模板，提示我没有安装excel或安装不正确，其实我电脑上已有excel2007 。提示如下：

详细错误信息：
Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: 加载类型库/DLL 时出错。 (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY)).