Are you 100% sure that sign.exe is not creating a window? Depending on if you are using kix32 or wkix32 but kix32 will fire up one window and sign.exe might do the same.
This sign.exe is it the Symprex Mail Signature Manager? If so does Symprex have anything on this?
http://www.symprex.com/products/email-signature-disclaimer-manager/
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Mart
- Chuck Norris once sold ebay to ebay on ebay.
