Outline Disappears

New to Corel Draw X5. I recently switched from X4 (on Win XP) to X5 on Win 7. I have over 1000 files I created with a CutPath outline. I open the file - assign the new CutPath outline I created in X5 (didn't know how to import it from X4)  and after a few minutes the cutline turns white and I have to keep re-doing it. Can anyone shed some light on this.

Also, quite often the palette I created disappears and I have to keep opening it up when I open new documents. 

Thank you

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