该文件常见出现的位置

版本	位置
6,5,49,0	\Autodesk\AutoCAD_Architecture_2011_Simplified_Chinese_Win_32bit\x86\ACA\ProgramFiles\Root
6,5,49,0	\ProgramFiles\Autodesk\AutoCADArchitecture2011
6,5,49,0	\ProgramFiles\Autodesk\AutoCADArchitecture2011
6,7,49,0	\ProgramFiles\Autodesk\AutoCADArchitecture2012
6,5,49,0	\Autodesk\AutoCAD_Architecture_2011_Simplified_Chinese_Win_64bit\x64\ACA\ProgramFiles\Root
6,5,49,0	\Autodesk\AutoCAD_Architecture_2011_Simplified_Chinese_Win_64bit\x64\ACA\ProgramFiles\Root
6,7,49,0	\Autodesk\AutoCAD_Architecture_2012_Simplified_Chinese_Win_32bit\x86\ACA\ProgramFiles\Root
6,7,49,0	\ProgramFiles\Autodesk\AutoCADCivil3D2012
6,7,49,0	\Autodesk\AutoCAD_Architecture_2012_Simplified_Chinese_Win_64bit\x64\ACA\ProgramFiles\Root
7.0.50.0	\ProgramFiles\Autodesk\AutoCAD2013\ACA
6,5,49,0	\ProgramFiles\Autodesk\AutoCADArchitecture2011
6,5,262,0	\ProgramFiles\Autodesk\AutoCADArchitecture2011
6,7,49,0	\Autodesk\AutoCAD_MEP_2012_Simplified_Chinese_Win_64bit\x64\MEP\ProgramFiles\Root
6,7,49,0	\Autodesk\AutoCAD_Civil3D_2012_Chinese_Simplified_32bit\x86\C3D\ProgramFiles\root
6,7,49,0	\Autodesk\AutoCADArchitecture2012

一、如果您的系统提示“没有找到AecProjectBasemgd.dll”或者“缺少AecProjectBasemgd.dll”等类似错误信息，请把AecProjectBasemgd.dll下载到本机
二、直接拷贝该文件到系统目录里：
　 1、Windows NT/2000系统，则复制到C:\WINNT\System32目录下。
2、Windows XP/Vista/Win7/8系统，则复制到C:\Windows\System32目录下。
三、然后打开“开始-运行-输入regsvr32 AecProjectBasemgd.dll”，回车即可解决错误提示！