The memory could not be "read" \ "write"; Read\WriteProcessMemory - C#

    class Memory
    {
        public static Process pWow;
        public static Int64 pBaseAddress;
        private static Int64 handleProcess;
        public Memory()
        {
            pWow = Process.GetProcessesByName("Wow-64")[0];
            pBaseAddress = pWow.MainModule.BaseAddress.ToInt64();
            ProcessAccessFlags a = ProcessAccessFlags.PROCESS_CREATE_THREAD |
                                   ProcessAccessFlags.PROCESS_QUERY_INFORMATION |
                                   ProcessAccessFlags.PROCESS_SET_INFORMATION | ProcessAccessFlags.PROCESS_TERMINATE |
                                   ProcessAccessFlags.PROCESS_VM_OPERATION | ProcessAccessFlags.PROCESS_VM_READ |
                                   ProcessAccessFlags.PROCESS_VM_WRITE | ProcessAccessFlags.SYNCHRONIZE;
 
            handleProcess = OpenProcess(a, false, pWow.Id);
        }
 
        [Flags]
        public enum ProcessAccessFlags
        {
            DELETE = 0x00010000,
 
            /// <summary>
            /// Required to read information in the security descriptor for the object, not including the information in the SACL. 
            /// To read or write the SACL, you must request the ACCESS_SYSTEM_SECURITY access right. 
            /// For more information, see SACL Access Right.
            /// </summary>
            READ_CONTROL = 0x00020000,
 
            /// <summary>
            /// The right to use the object for synchronization. 
            /// This enables a thread to wait until the object is in the signaled state.
            /// </summary>
            SYNCHRONIZE = 0x00100000,
 
            /// <summary>
            /// Required to modify the DACL in the security descriptor for the object.
            /// </summary>
            WRITE_DAC = 0x00040000,
 
            /// <summary>
            /// Required to change the owner in the security descriptor for the object.
            /// </summary>
            WRITE_OWNER = 0x00080000,
 
            /// <summary>
            /// All possible access rights for a process object.
            /// </summary>
            PROCESS_ALL_ACCESS = 0x001F0FFF,
 
            /// <summary>
            /// Required to create a process.
            /// </summary>
            PROCESS_CREATE_PROCESS = 0x0080,
 
            /// <summary>
            /// Required to create a thread.
            /// </summary>
            PROCESS_CREATE_THREAD = 0x0002,
 
            /// <summary>
            /// Required to create a process.
            /// </summary>
            PROCESS_DUP_HANDLE = 0x0040,
 
            /// <summary>
            /// Required to retrieve certain information about a process, such as its token, exit code, and priority class
            /// </summary>
            PROCESS_QUERY_INFORMATION = 0x0400,
 
            /// <summary>
            /// Required to retrieve certain information about a process (see QueryFullProcessImageName). 
            /// A handle that has the PROCESS_QUERY_INFORMATION access right is automatically granted PROCESS_QUERY_LIMITED_INFORMATION.
            /// </summary>
            PROCESS_QUERY_LIMITED_INFORMATION = 0x1000,
 
            /// <summary>
            /// Required to set certain information about a process, such as its priority class
            /// </summary>
            PROCESS_SET_INFORMATION = 0x0200,
 
            /// <summary>
            /// Required to set memory limits using SetProcessWorkingSetSize.
            /// </summary>
            PROCESS_SET_QUOTA = 0x0100,
 
            /// <summary>
            /// Required to suspend or resume a process.
            /// </summary>
            PROCESS_SUSPEND_RESUME = 0x0800,
 
            /// <summary>
            /// Required to terminate a process using TerminateProcess.
            /// </summary>
            PROCESS_TERMINATE = 0x0001,
 
            /// <summary>
            /// Required to perform an operation on the address space of a process (see VirtualProtectEx and WriteProcessMemory).
            /// </summary>
            PROCESS_VM_OPERATION = 0x0008,
 
            /// <summary>
            /// Required to read memory in a process using ReadProcessMemory.
            /// </summary>
            PROCESS_VM_READ = 0x0010,
 
            /// <summary>
            /// Required to write to memory in a process using WriteProcessMemory.
            /// </summary>
            PROCESS_VM_WRITE = 0x0020,
        }
 
        [DllImport("kernel32.dll", SetLastError = true)]
        private static extern Int64 OpenProcess(ProcessAccessFlags dwDesiredAccess,
                                                            [MarshalAs(UnmanagedType.Bool)] bool bInheritHandle,
                                                            Int32 dwProcessId);