The application or DLL...imsl_dll.dll is not a valid window image

The application or DLL...imsl_dll.dll is not a valid window image

When attempting to run a fortran code (linked with IMSL) I get the message: "The application or DLL...imsl_dll.dll is not a valid window image. Please check this against your installation diskette". Any idea what to do?

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For more complete information about compiler optimizations, see our Optimization Notice.

Check the PATH system environment variable. Make sure that there are no folders listed there for architectures different from the one you're on. For example, if you're on a 32-bit system, make sure there are no folders with INTEL64 or EM64T or IA64 in their names included in the list.

To edit PATH, right click on My Computer, select Properties, Advanced, Environment Variables.

Retired 12/31/2016

I had this same problem and Steve's advice worked perfectly. Thanks!

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