I had this problem. I have resolved it by pressing two buttons in the Utilities Tab:

• the "Reset default parameters" button
• the "Delete all exchange files" button. Pressing these buttons seems to resolve the problem.

I have to make tests and find the exact problem. Having a short path for VWD seems also to give best results. Personally, I use "C:VWD". These solutions are not definitive ones but they allow to resolve the problem.

Please, tell me if this corrects the error.

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