求助ArcGIS

<P>为什么我的Arcgis9.2无法将shp转换为cad，每次都是失败呢。<BR>其他工具倒是正常使用中。昨天重新安装了一次，还是这个问题，折腾了好几天了</P>
<P>显示如下：</P>
<P>Executing (ExportCAD_1): ExportCAD fscj DWG_R2000 E:\temp\fscj_ExportCAD.DWG Ignore_Filenames_in_Tables Overwrite_Existing_Files #<BR>Start Time: Sun Mar 16 13:56:38 2008<BR>...Exporting fscj to CAD<BR>.....Unable to create E:\temp\fscj_ExportCAD.DWG<BR>Failed to execute (ExportCAD_1).<BR>End Time: Sun Mar 16 13:56:38 2008 (Elapsed Time: 0.00 seconds)<BR></P>