Openhab 1.8 Designer error code=13

Hi, I have the problem that can be seen in the photo and I can’t run the openhab Designer. The demo is running perfectly.

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I use windows 7 and eclipse luna and mars, but none of them doing anything.

Thank you for your time in advance

Which version of Java do you use?

jdk1.8.0_74 x64

ok, then simply install 32bit-Version additional, cause Designer needs 32bit-Version (has imho no negative side-effects)

Yes that was it. Thank you very much or your help