Operation could not be completed. (com.apple.installer.pagecontroller error -1.)
Can you help?
Which version of Mac OS are you using? Photoshop Lightroom requires at least Mac OS 10.6.8.
You computer doesn't meet the minimum system requirement to install the LR4.
Check it from here :- www.adobe.com/products/photoshop-lightroom/tech-specs.html
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