need help please...error 1605

valo123

Member
Nov 15, 2007
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I tried installing unreal 3 and i had to restart my computer in the middle of it because i tried uninstalling the demo at the same time and it got all screwed up. now when i try installing the demo it asks me if i want to uninstall it (maybe the computer thinks it's installed?) but when i click uninstall, which is my only option, the 1605 error comes up and it says

error: -1605 this action is only valid for products that are currently installed.

so i can't get anywhere, i can't find any files on the computer to delete that are maybe tricking the computer into thinking the game is already installed. Can anyone please give me some options to try and fix this?