When using zkemkeeper.dll winthin a human resource management application to interact with finger print machine like U160 Ronal Jack, you may run into an error of running your human resource management application in Windows 7 64-bit although you have registered the zkeemkeeper.dll into windows\sysWOW64 folder via 32-bit version regsrv32 file. The error contains something like:
“Retrieving the COM class factory for component …..”
When debug the code you may find the following codes cause the problem:
private zkemkeeper.CZKEM CtrlBioComm;
//CtrlBioComm = new zkemkeeper.CZKEM();
The problem arises because your dll (in that case zkemkeeper.dll) is 32-bit. To solve this problem you need to build your application
for x86 CPU.
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