In this post, you’ll learn about the Windows System Error ERROR_CHILD_MUST_BE_VOLATILE (0x3FD)] and the reason why you are receiving the error message
How does this Error in Windows Look like?
Error Code 1021 ERROR_CHILD_MUST_BE_VOLATILE (0x3FD)]
Why do you receive the System Error Error Code 1021 ERROR_CHILD_MUST_BE_VOLATILE (0x3FD)] in Windows?
Cannot create a stable subkey under a volatile parent key.