该文件常见出现的位置

版本	位置
5.1.4111.00(XPClient.010817-11	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.4111.00(XPClient.010817-11	\WINDOWS\system32\dllcache
5.1.4111.00(srv03_rtm.030324-2	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.4111.00(srv03_rtm.030324-2	\WINDOWS\system32\dllcache
5.1.7416.00(srv03_sp2_rtm.0702	\ProgramFiles(x86)\CommonFiles\SpeechEngines\Microsoft
5.1.7416.00(srv03_sp2_rtm.0702	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.5124.00(srv03_sp1_rtm.0503	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.4324.00builtby:lab06_n(spg	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.4324.00builtby:lab06_n(spg	\WINDOWS\system32
5.1.4324.00builtby:lab06_n(spg	\ProgramFiles(x86)\CommonFiles\SpeechEngines\Microsoft
5.1.7416.00(srv03_sp2_rtm.0702	\WINDOWS\system32\dllcache
5.1.4111.00(XPClient.010817-11	\Archivosdeprograma\Archivoscomunes\SpeechEngines\Microsoft
5.1.4324.00builtbylab06_n(spgb	\ProgramFiles\CommonFiles\SpeechEngines\Microsoft
5.1.4111.00(XPClient.010817-11	\WINNT\system32\dllcache
5.1.5124.00(srv03_sp1_rtm.0503	\WINDOWS\system32\dllcache

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