DLL不能注册问题，请大侠们帮忙看看

[cxreal]

一个DLL，在有的机子上能注册，在有的机子上不能注册。
大侠们帮我分析一下原因啊

lshzip.dll was loaded,but the dllregisterserver entry point was not found.

dllregisterserver may not be exported,or a corrupt version of lshzip.dll
may be in memory.consider using pview to detect and remove it.