Here the steps to fixing you back up, or if you fell victim to a cd theft.
1.Go to start
2.type regedit in search bar
3.hit enter
4.go to HKEY_LOCAL_MACHINE
5.SOFTWARE
6.Wow6432Node
7.Bohemia Interactive Studio
8.ArmA 2 OA
9.right click the ArmA 2 OA folder
10. go to permissions
11.go to advanced
12.you should be in the permissions tab
13.under type you should see 5 or 4 allows and 1 deny
14 highlight the one that says deny and click remove
14 hit apply ok then ok again
15 on the right double click the name KEY
16 delete all the 00000000000 hit ok
17 go back to darky and change your key make sure you run darky as admin
or the key will not change
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