JNI : DLL cannot be

Hello,
I am using a DLL through JNI.
Up to now, my program works perfectly on all computers and systems.
But, I encountered an error on one computer as if it couldn't find the dll (whereas it is well located):
java.lang.UnsatisfiedLinkError: D:\Projects\Java\Tool\Native.dll: Can't find dependent libraries
at java.lang.ClassLoader$NativeLibrary.load(Native Method)Can someone help me, please ?
Note:
If I removed that dll on a system that works normally, I encountered that error:
java.lang.UnsatisfiedLinkError: no Native in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1491)

Greetings, Catharsis. I have a quite similar situation.
I am working on a project which uses a comercial API (Netica, from Norsis) through a dll (dll A). dll A interacts, through JNI, with another dll (dll B). I checked this dependency with a program to inspect DLL features (dependencies, for example).
What happens is that an error-window pops out saying that it cannot find dll B on which the one I load (dll A), depends on.
I don't use static blocks with System.loadLibrary, since this is done by a runtime variable I use, upon its initialization.
I assigned the user path variable's value for these dlls' directory to the system path's variable and still I get the error.
I used a file access monitor to find out that dll A tries to load dll B on a directory one level above the original (and correct) one.
What's strange:
1- It only happens in one recently configured Windows PC. Path variables and instalation directories are equal between PC where it works and the other where it doesn't.
2- I also tried to build JNI code for another project in the PC which prompts the error, and it yelds errors in jni.h from jdk 1.5. (so I have this feeling that something's wrong with this PCs JNI)
Note:
1- jdk was reinstalled;
2- the comercial API, whose installation sums up to extraction to install dir and path variable tuning, was reinstalled; and,
2- Eclipse's project settings are equal between the two PCs, since one project is a full copy of the other.
Any ideas?
Best regards.

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Actually, this was a statement waiting for opinions...
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JNI : DLL cannot be

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