Failed to load file or assembly "Oscommunicationlib" or one of its dependencies. An attempt was made to load a program that is not properly formatted.

When you publish an ASP. Win7 64-bit system IIS8.0 today, you are prompted to "fail to load the file or assembly" Oscommunicationlib "or one of its dependencies. An attempt was made to load a program that is not properly formatted. "Error, and finally resolved this issue by modifying the IIS configuration, hoping to help people who have encountered the same problem.

Error message:

Solution:

1. Find the application pool used by the site

2. Open the application pool used by the site, click "Advanced Settings", set the "Enable 32-bit Application" option to True

The reason is that the target platform generated by the referenced OSCommunicationLib.dll class library is x86, so it is incompatible in a 64-bit system, enabling a 32-bit application to be compatible with the x86 platform's assemblies



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Failed to load file or assembly "Oscommunicationlib" or one of its dependencies. An attempt was made to load a program that is not properly formatted.