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Find the Game Manager icon on your desktop, then right-click on it and select Run as administrator. If you're using Windows 8 or 8.1, try running the Game Manager as administrator. Check the option to Run this program as an administrator in the Privilege Level section near the bottom of the window. In the Properties window, click the Compatibility tab at the top. Right click the Game Manager icon and select Properties. Open the Start menu again and locate the Game Manager icon. If you're able to install your game after following the above steps, please follow the below instructions to make Game Manager always run as administrator. If you see a Windows pop-up asking you to allow the program, confirm that you want to run the Game Manager by clicking Yes. Find the Game Manager icon in the Start menu, then right-click on it and select Run as administrator. Open the Start menu (Windows button) in the bottom left corner of the screen. If you're using Windows Vista or Windows 7 computer, try running the Game Manager as administrator. Once complete, try to install your game again. (You may be prompted to enter a password.) While on the welcome screen, press and hold the CTRL and ALT keys on your keyboard, and while holding, press the DEL key. Open the Start menu and select Log Off.
If you don't see those options, log in to your computer as the Administrator: A small menu will appear-if the options include Open All Users and Explore All Users then you do have these rights. The easiest way to determine if you currently have administrator rights on your Windows XP system is to right-click the Start button.
If you are prompted to install the latest version of the Adobe Flash Player along with a 769 error, try downloading the Flash Player content debuggers (below), restarting your computer, then reinstalling your game.
If you receive a 772 error or if the 769 error persists it may help to reinstall the Game Manager and/or adjust your firewall settings. A 769 error can occur if the a game requires you to have additional privileges or administrator access on your computer in order to install the game.