Compatibility with 32-bit Micro-Manager 1.4.22

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  • MasoudR

    Dear Icy developers,

    I’m getting the following error when trying to use a 32-bit MM on a 64-bit Windows 7 computer.

    Error: Failed to load the MMCoreJ_wrap native library

    D:\Micro-Manager-1.4 32\MMCoreJ_wrap.dll: Can’t load IA 32-bit .dll on a AMD 64-bit platform

    Is there any work-around or chance you could add compatibility with 32-bit MM in the future? Our current hardware is incompatible with 64-bit MM.


    Thank you,



    Stephane Dallongeville

    Hi Masoud,

    The problem is more about the Java you’re using, when you use a 64 bit JVM then you need to load 64 bit libraries (and so having a 64bit Micro-Manager). There is no way to load DLL from a 32bit Micro-Manager from a 64bit java. What you can do is have the 2 versions of Java (32bit and 64bit) then launch Icy with the 32bit Java when you need to load 32bit Micro-Manager.


    – Stephane

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