I was able to reproduce this error when I delete one of the mentioned dlls from the folder of my exeecutable or when using a 32bit library when a 64bit lib was linked. So please double check if you use and copy the correct libraries. When using a 32bit MinGW use these libs: C:\Program Files (x86)\Rexroth\EAL-SDK\02VRS\eal4c\bin\libEALCWrapper-win32.dll C:\Program Files (x86)\Rexroth\EAL-SDK\02VRS\eal4c\bin\mono\win32\mono-2.0-sgen.dll When using a 64bit MinGW use these libs: C:\Program Files (x86)\Rexroth\EAL-SDK\02VRS\eal4c\bin\libEALCWrapper-win64.dll C:\Program Files (x86)\Rexroth\EAL-SDK\02VRS\eal4c\bin\mono\win64\mono-2.0-sgen.dll When changing between 2 architectures be sure to copy the correct libs (32 or 64bit) to the folder of your executable. According this post it could also be an issue with your MinGW setup - so you should check the path variable: https://stackoverflow.com/questions/52746760/netbeans-debugger-exited-with-code-0xc0000135
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