RegistryKey.OpenSubKey() returns null for a strange reason

Asked Aug 10 '17 at 07:58

Active Aug 10 '17 at 07:58

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Hi this is my piece of code:

        RegistryKey baseKey = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, 
        RegistryView.Registry64).OpenSubKey("SOFTWARE");

        String[] str = baseKey.GetSubKeyNames();
        for (int i = 0; i < str.Length; i++)
            Console.WriteLine(str[i]); //Testing purpose
        RegistryKey key =
                baseKey.OpenSubKey("Werewolf");

It prints all the subkeys due to for loop and subkeys are correct including "Werewolf" key, but OpenSubKey("Werewolf") returns null and I get this exception:

System.NullReferenceException: 'Object reference not set to an instance of an object.'

Code compiled using VS2017. Ran on both x86 and x64 machines, same error.

asked Aug 10 '17 at 07:58

Alireza Mohamadi

This might help: https://stackoverflow.com/questions/869783/windows-64-bit-registry-v-s-32-bit-registry – jason.kaisersmith Aug 10 '17 at 08:14
Thanks I saw this before posting. I use `RegistryView.Registry64` so it should be ok as subkeys are printed correctly. – Alireza Mohamadi Aug 10 '17 at 08:25

RegistryKey.OpenSubKey() returns null for a strange reason

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