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I'm having problems inserting a new CA certificate with privatekey in the Root certificate store of the localmachine.
This is what happens:
//This doesn't help either.
new StorePermission (PermissionState.Unrestricted) { Flags = StorePermissionFlags.AddToStore }.Assert();
var store = new X509Store(StoreName.Root, StoreLocation.LocalMachine);
privkey.PersistKeyInCsp = true;
//This shouldn't be necessary doesn't make a difference what so ever.
RSACryptoServiceProvider.UseMachineKeyStore = true;
cert.PrivateKey = privkey;
store.Open (OpenFlags.MaxAllowed);
store.Add (cert);
store.Close ();
The certificate gets inserted and it all looks dandy: (see!) 
Note: is says it has a privatekey.
So you'd say one would be able to find it with FindPrivateKey
C:\Users\Administrator\Desktop>FindPrivateKey.exe Root LocalMachine -t "54 11 b1 f4 31 99 19 d3 5a f0 5f 01 95 fc aa 6f 71 12 13 eb"
FindPrivateKey failed for the following reason:
Unable to obtain private key file name
Use /? option for help
It's cute .... BUT IT'S WRONG!! (2 stupid dogs reference)
And the Certificate export dialog gives me this very fine message:
This code is run while impersonating an administrator using this snippet: click here
I'd just love to know WHY?
(tested on Windows Server 2008 R2 & Windows 7)
I'll be damned!
It works when I compile it to v3.5!!!!
What to do?