EXIF Date Changer misbehaves?

I try to convert 15 files from one folder to folder "same folder\adjusted".
I get "error rebuilding maker notes" on some files and the files are just copied with no date to the adjusted folder. The failure occurs renaming photos.
All files seem to fail if there are any errors in any file.
Any idea what could be causing this?
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I am a part-time pro photographer I have looked high and low for good EXIF tools.

This is the very best there is: http://www.sno.phy.queensu.ca/~phil/exiftool/

See here: http://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html#writing_examples
there are some example of how to time shift.

There is also a GUI for exiftool - I have not tried it as I prefer to script things, but here it is any way: http://freeweb.siol.net/hrastni3/foto/exif/exiftoolgui.htm

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PeborghAuthor Commented:
Thanks for that, regstraton. I'll try your suggested tool.

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