My imac was destroyed maliciously, and I just purchased a macbook pro and when i try to reinstall my original version of lightroom an error occurs and tells to contact manufacturer
Download your version from here: http://www.adobe.com/support/downloads/product.jsp?product=113&platfor m=Macintosh
If you have LR 2, get 2.7. If LR 3, get 3.6. If LR 4, get 4.1.
Apply your serial number(s) when you first run it, and you'll be fine.
Hal
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