Could not load file or assembly "ChilkatDotNet45.dll" or one of its dependencies, after deploying in IIS

My ASP.NET application works fine when run from Visual Studio, but after deploying in IIS, it throws an error like this:

Could not load file or assembly "ChilkatDotNet45.dll" or one of its dependency. An attempt was made to load a program with an incorrect format

If I follow these steps:

  • Visual Studio – Tools – Options – Projects and Solutions – Web Projects
  • Select “Use the 64 bit version of IIS Express for web sites and projects”

Then the project not run in Visual Studio and throws the same error.

2 Answers

I had the same Problem on the IIS Server you need to Install C++ RunTime.

For More Information see

3

I had same error. First I installed chilkat-win64 and get error. After I installed chilkat-win32 error gone. Hope it help

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