>>I am wondering if there is a reason, why an exe that is compiled on another workstation, but from identical source code, may have a slightly different size? In this case, the total size is around 56 MB, but the files differ with arund 400 bytes. If the size would have been identical we could rely on the fact that the compiled executables are the same.
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>Maybe a different build level of VFP9?


What do you mean by that? We execute the same command in VFP, unless there is some setting in the VFP options that could influence it.