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Mathias · May 30th, 2018, 08:48 AM

The pdf add-on is an independent installer program that needs to modify the HL install. Make sure Hero Lab is closed before running it, or you will get that message (HL is the program using it).

Mathias Senior Member Lone Wolf Staff Join Date: May 2005 Posts: 13,213 May 30th, 2018, 08:48 AM	The pdf add-on is an independent installer program that needs to modify the HL install. Make sure Hero Lab is closed before running it, or you will get that message (HL is the program using it).
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