该文件常见出现的位置

版本	位置
4.3.0.0015	\ProgramFiles\NationalInstruments\MAX\DataDictionaries\Compatibility
4.3.0.0015	\ProgramFiles(x86)\NationalInstruments\MAX\DataDictionaries\Compatibility
2.4.0f0	\ProgramData\NationalInstruments\MAX\DataDictionaries\Last
2.3.5f1	\ProgramFiles\NationalInstruments\MAX\DataDictionaries
2.5.0f0	\ProgramFiles\NationalInstruments\MAX\DataDictionaries
2.5.0f0	\ProgramData\NationalInstruments\MAX\DataDictionaries\Last
2.6.0f0	\ProgramFiles\NationalInstruments\MAX\DataDictionaries
1.14.0f0	\ProgramData\NationalInstruments\MAX\DataDictionaries\Last
2.4.0f0	\ProgramFiles\NationalInstruments\MAX\DataDictionaries
2.2.0f0	\ProgramData\NationalInstruments\MAX\DataDictionaries\Last
2.3.5f1	\ProgramFiles\NationalInstruments\RTImages\NI-DAQmx
2.3.5f1	\ProgramData\NationalInstruments\MAX\DataDictionaries\Last
2.5.0f0	\ProgramFiles\NationalInstruments\RTImages\NI-DAQmx\9.4.0
2.4.0f0	\UPAN\NationalInstruments\MAX\DataDictionaries
4.3.0.0015	\UPAN\NationalInstruments\MAX\DataDictionaries\Compatibility

一、如果您的系统提示“没有找到nissdd.dll”或者“缺少nissdd.dll”等类似错误信息，请把nissdd.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 nissdd.dll”，回车即可解决错误提示！