Report Generation Overwrite

Hello!
I'm having serious trouble using the Report Generation Toolkit.
LabVIEW 8.6, RGT 1.1.3, Word/Excel 2007.
The starting premise is that we are taking data, sending it to a waveform graph, then we want to write the picture to a file (either Word or Excel).
The idea is to have multiple pictures (of same AI taken at different times) written to a file.  Every 12 hours will result in a new file and cleared reports.
Currently, we are using Append Control Image to Report, then Save Report to File.
First time through loops, everthing runs fine.  Second time through, program states that the file already exists and asks if we want to overwrite.  I'd love to overwrite automatically, but cannot find method to do so.
At this time, is it safe to say that unless cleared, a report holds all images, so that when it's saved to file, all previous images remain in report, and are saved when saved to file?
I ultimately want the program to just overwrite, but can't find the source of the dialog box.
Thank you!

It should also noted that I am able to run the program on my development computer with sucess.  When I create the .exe and move it to the computer that will be running the program, I get the overwrite issues.

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