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On a new setup of View Composer on Windows 2008 R2 you’ve probably encountered the following error : “Failed to setup View Composer error 0xc0000409“.
![[clip_image001%255B3%255D.png]](https://i2.wp.com/lh5.ggpht.com/-bnz1TGCtt8g/UUHY_xsoP1I/AAAAAAAAa6Q/xHE5h4jFryk/s1600/clip_image001%25255B3%25255D.png?w=700)
To fix this issue, you need to disable the UAC Features in Windows 2008R2.

And that’s it. Reboot your server and restart the installation program.
