Rush Jan 19, 2013 @ 12:17pm
ARMA 2: Operation Arrowhead - bad serial number given in setup?
Updating this post now! I've solved the problem! You just need to start the campaign and play for a little bit, then it should be working fine. READ THIS IMPORTANT! SOLUTION!
Last edited by Rush; Jan 4 @ 3:23am
Showing 1-15 of 38 comments
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Womb Raider Jan 19, 2013 @ 3:35pm 
Shoot me a PM for help.
fafinaf Jan 19, 2013 @ 3:59pm 
Can you post a solution in this thread, F3 Phoenix? It might be useful in the long run since I am having this issue as well and others may as well?
Reverend™ Jan 20, 2013 @ 1:48am 
1, Run REGEDIT
2, Expand HKEY_LOCAL_MACHINE
3, Expand Software
4, Expand Wow6432Node
5, Expand Bohemia Interactive Studio Not Bohemia Interactive
6, Click ArmA 2 OA, If you only see 1 file named "(Default)" And type REG_SZ then,
7, Right click the ArmA 2 OA file and go to Permissions
8, Left click YOUR USER, NOT! Users
9, After selecting your user click on Advanced
10, Yet Again click on your username for your pc and click on edit
11, In the drop down menu select This Key and Subkeys
12, You will see allow and deny make sure all allow boxes are ticked then click ok
13, you will be taken back one Dialogue box, Click Apply and OK and the same again on the
next dialogue box.
14, Now you should see 4 files sat in your ArmA 2 OA folder, Names, "(Default)" "Data" "Key" & "main"
15, Now play your game hassle free
Rush Jan 20, 2013 @ 3:49am 
Originally posted by battlecamsyndicate:
this just happened to me too! I bought arma 2 and operation arrowhead separately. So I could play dayZ. (should of bought combined ops, it was cheaper) Arma 2 works, but arma 2 operation arrowhead wont play at all.. and also gives me the bad serial number message when I try and play dayZ. I have contacted support about this.. and I really hope this issue is resolved for us. I just spent 40 bucks here on steam to be able to play dayZ, and still not playing it.. because of a bad serial number on a game that I payed for here...
Feels like i spended money one ♥♥♥♥ :/
Rush Jan 20, 2013 @ 3:49am 
Originally posted by (✝Ḡ♏™)MasterLord:
1, Run REGEDIT
2, Expand HKEY_LOCAL_MACHINE
3, Expand Software
4, Expand Wow6432Node
5, Expand Bohemia Interactive Studio Not Bohemia Interactive
6, Click ArmA 2 OA, If you only see 1 file named "(Default)" And type REG_SZ then,
7, Right click the ArmA 2 OA file and go to Permissions
8, Left click YOUR USER, NOT! Users
9, After selecting your user click on Advanced
10, Yet Again click on your username for your pc and click on edit
11, In the drop down menu select This Key and Subkeys
12, You will see allow and deny make sure all allow boxes are ticked then click ok
13, you will be taken back one Dialogue box, Click Apply and OK and the same again on the
next dialogue box.
14, Now you should see 4 files sat in your ArmA 2 OA folder, Names, "(Default)" "Data" "Key" & "main"
15, Now play your game hassle free
I don't get the key and main thing in the end though
xPUNlSH3Rx Jan 22, 2013 @ 8:31pm 
I was following that ^ and it was confusing to me...Tried this, it's basically the same thing but explained a little better IMO...

Follow these steps to the T...
1. Exit Steam then go to Start, type run then regedit
2. Go to LOCAL_MACHINE/SOFTWARE/Wow6432Node
3 . Now you will see 2 folders, Bohemia Interactive and Bohemia Interactive Studio
4. Do this for both folders-Right click on each folder (NOT Sub-folders. I wasn't able to delete the file until I did it to the main folder)
-Go to permissions
-Allow full control for all of them
5. Now open each of the folders and delete "ArmA 2 OA"
6. Exit
7. Start Steam and now verify both Arma2 and Arma OA's game cache. I'm sure you don't need me to explain this.
8. In Dayz Commander the Arma2 will need to be re-installed by going to Install/update by the top right. Should be the second one down.

This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
Rush Jan 25, 2013 @ 8:04am 
Originally posted by xPUNlSH3Rx:
I was following that ^ and it was confusing to me...Tried this, it's basically the same thing but explained a little better IMO...

Follow these steps to the T...
1. Exit Steam then go to Start, type run then regedit
2. Go to LOCAL_MACHINE/SOFTWARE/Wow6432Node
3 . Now you will see 2 folders, Bohemia Interactive and Bohemia Interactive Studio
4. Do this for both folders-Right click on each folder (NOT Sub-folders. I wasn't able to delete the file until I did it to the main folder)
-Go to permissions
-Allow full control for all of them
5. Now open each of the folders and delete "ArmA 2 OA"
6. Exit
7. Start Steam and now verify both Arma2 and Arma OA's game cache. I'm sure you don't need me to explain this.
8. In Dayz Commander the Arma2 will need to be re-installed by going to Install/update by the top right. Should be the second one down.

This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
THANK YOU! Thankyou :D
GhostlyVG Feb 3, 2013 @ 9:19am 
Originally posted by xPUNlSH3Rx:
I was following that ^ and it was confusing to me...Tried this, it's basically the same thing but explained a little better IMO...

Follow these steps to the T...
1. Exit Steam then go to Start, type run then regedit
2. Go to LOCAL_MACHINE/SOFTWARE/Wow6432Node
3 . Now you will see 2 folders, Bohemia Interactive and Bohemia Interactive Studio
4. Do this for both folders-Right click on each folder (NOT Sub-folders. I wasn't able to delete the file until I did it to the main folder)
-Go to permissions
-Allow full control for all of them
5. Now open each of the folders and delete "ArmA 2 OA"
6. Exit
7. Start Steam and now verify both Arma2 and Arma OA's game cache. I'm sure you don't need me to explain this.
8. In Dayz Commander the Arma2 will need to be re-installed by going to Install/update by the top right. Should be the second one down.

This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
I tryed this but When I go to delete the Arma 2 OA folder it says. "Cannot delet Arma 2 OA: Erroe while deleting key. Please help.
☠ baddie Feb 20, 2013 @ 4:36am 
This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
I tryed this but When I go to delete the Arma 2 OA folder it says. "Cannot delet Arma 2 OA: Erroe while deleting key. Please help.

Yeah same here! :/ PLEASE HELP!
Rush Feb 20, 2013 @ 5:22am 
Originally posted by baddie:
This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
I tryed this but When I go to delete the Arma 2 OA folder it says. "Cannot delet Arma 2 OA: Erroe while deleting key. Please help.

Yeah same here! :/ PLEASE HELP!

Follow these steps to the T...
1. Exit Steam then go to Start, type run then regedit
2. Go to LOCAL_MACHINE/SOFTWARE/Wow6432Node
3 . Now you will see 2 folders, Bohemia Interactive and Bohemia Interactive Studio
4. Do this for both folders-Right click on each folder (NOT Sub-folders. I wasn't able to delete the file until I did it to the main folder)
-Go to permissions
-Allow full control for all of them
5. Now open each of the folders and delete "ArmA 2 OA"
6. Exit
7. Start Steam and now verify both Arma2 and Arma OA's game cache. I'm sure you don't need me to explain this.
8. In Dayz Commander the Arma2 will need to be re-installed by going to Install/update by the top right. Should be the second one down.

This worked for me after 2 hours of looking at google's tutorials but none explained the permission step very well so I wasn't able to delete the files.
=KnuckleBuster=ETM= Feb 21, 2013 @ 1:55pm 
I'm having this same problem but with widows eight so i dont have a run uption. If anyone knowshow to do all this with Win8 os i would really enjoy the help. I miss playing dayz so much and it's only been 2 days.
=KnuckleBuster=ETM= Feb 21, 2013 @ 2:03pm 
so nvrmind last post found run and follow those steps to the T but it still wont let me delete the arma 2 oa in the Studios folder.
☠ baddie Feb 21, 2013 @ 4:40pm 
I HAVE F*CKIING FIXED IT! YES!
So just to let some people know that in my regedit my Bohemia Interactive Studio; Arma 2 OA,
KEY | REG_SZ | 0000000000000
looked like that, and I tried many ways to fix this by weeks/months of googling I've finally found a solution;
1. Right click Arma 2 OA located in HKEY_LOCAL_MACHINE - Software - Wow6432Node Bohemia Interactive 'STUDIO'
2. Once right clicked on Arma 2 OA go 'Permissions...' and make sure your user is checked as FullControl and Read. (I checked it all for all users/groups)
3. Go 'Advanced' in Administrator or your user and click 'Edit' and Check all of those permissions as Allow.
4. Once done click 'Ok', 'Apply' then Ok again
5. that should fix it and allow you too edit your Arma 2 OA key from 0000000000000 to whatever your code is.
6. if you dont know what your code is open up steam and right click 'Arma 2: Operation Arrowhead' and View CD key
7. Copy your CD key to clipboard and return back to regedit (Exit steam)
8. Right click your KEY and 'MODIFY' the Data value to your original CD key instead of 00000000000
9. That should fix it so close it down and open back up steam and test it out!
If you have any questions please ask, I'll try to be active on this page and help out as much as possible!

also in Steam you can download Arma 2: DayZ Mod which was realised today! (22-Feb-2013)
=KnuckleBuster=ETM= Feb 21, 2013 @ 5:15pm 
well thats not workingeither. For some reason,even tho i have full permision i cannot edit the KEY. F**kin Win8
Brother ? Feb 21, 2013 @ 7:04pm 
It happenned to me, I disconnected, then i reconnected and it worked, sorry for my english
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Date Posted: Jan 19, 2013 @ 12:17pm
Posts: 38