![]() ![]() ![]() How to Register a 32-bit DLL on a 64-bit Windows operating system 64-bit Windows has separate registries for 32-bit and 64-bit, so both may be registered. If you are unsure, there is no harm in downloading and registering both 32-bit and 64-bit DLLs. This may also apply to older versions of other programming languages such as Delphi, FoxPro, etc. For VB6 apps, it will always be 32-bit because VB6 is older and there is no such thing as a 64-bit VB6 app. Likewise, if IIS is running in 64-bit mode, register the 64-bit ActiveX DLL. If 32-bit, the 32-bit ActiveX needs to be registered. If using the ActiveX from ASP, check to see if IIS is running in 32-bit mode or 64-bit mode. It depends on whether your application runs as a 32-bit process or a 64-bit process. If the computer is 64-bit Windows, it’s possible you still may need the 32-bit DLL. Change directories to where the DLL’s and the batch script are located, and run the registration batch file from there. regsvr32 will be trying to create entries in the Windows registry, so it may need administrative privileges.* On Windows 7, open an Administrator command prompt by going to the Start Menu, enter “cmd” in the search box and instead of pressing Enter, press Ctrl+Shift+Enter. bat file in the same directory as the 32-bit DLL. How to Register a 32-bit DLL on a 32-bit Windows operating system If your computer is 32-bit, the choice is obviously 32-bit. The first step is to determine if you need to register the ActiveX DLL compiled for 32-bit or 64-bit. (Also see the ActiveX DLL Registration Tutorial) ![]() MaHow to Register an ActiveX DLL using regsvr32 ![]()
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