There was a mismatch between the processor architecture of the project being built "MSIL" and the processor architecture of the reference

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There was a mismatch between the processor architecture of the project   being built "MSIL" and the processor architecture of the reference   "C: \ Windows \ Microsoft.NET \ Framework \ v4.0.30319 \ mscorlib.dll", "x86".   This mismatch may cause runtime failures. Please consider changing the   targeted processor architecture of your project through the   Configuration Manager so as to align the processor architectures   between your project and references, or take a dependency on   references with a processor architecture that matches the targeted   processor architecture of your project.

I'm having this error when I build on my project. What can it be? I've never had this error.

    
asked by anonymous 29.07.2016 / 02:51

1 answer

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I solved, went into every project, right click Properties and changed the version of the Net Framework that was 4.0 to 4.5.1 and worked.

    
29.07.2016 / 17:04