ADL3 DASH MANAGER

Friends
I use adl3 whit windows 7, I have the version 5.20.J and is impossible instal the last release.
Do you know for what?
thank you and best regards
I use adl3 whit windows 7, I have the version 5.20.J and is impossible instal the last release.
Do you know for what?
thank you and best regards