How do I fix these two errors in my Number Wizard Game?

I tried all I could to get rid of these two errors for HOURS!I am sick of it! Every time I delete the Assembly-CSharp.dll file the error goes away.However, whenever I click on a browser and begin watch Unity game instruction videos and come back to Unity(which I never closed out) the same Internal compiler error comes up. In addition, when I looked where I deleted the Assembly file it showed up again in my folders after I deleted it! I even tested to make sure that is what really happening and it's true. So that explains my first issue.

My second issue is when I created a Gameobject and named it NumberWizard just as instructed.Next, I put down Number Wizard.cs as my script which I was also was instructed to do. I'm nearly 100% sure that there is nothing wrong with my code and that is not the cause of the Game object error. However, just in case I provided my script for you to read.So if it is the cause hopefully I will be notified by at least one of you.

using UnityEngine;

using System.Collections;

public class NumberWizard : MonoBehaviour {

 // Use this for initialization
 int max;
 int min;
 int guess;

 int maxGuessesAllowed = 10;

 void Start () {
     StartGame();
 }
 void StartGame () {
     max = 1000;
     min = 1;
     guess = 500;

     max = max + 1;
 }

 public void Guesslower(){
     max = guess;
     NextGuess();
 }
  
 public void GuessHigher(){
     min = guess;
     NextGuess();
 
 }

 void NextGuess () {
     guess = (max + min) / 2;
     maxGuessesAllowed = maxGuessesAllowed - 1;
     if (maxGuessesAllowed <= 0) {
         Application.LoadLevel("Win");

     }
 }

}

Here are the errors I'm struggling with.

GameObject (named 'Number Wizard') references runtime script in scene file. Fixing! UnityEditor.HostView:OnGUI() error

and

Internal compiler error.output was:error CS2015: Source file `Assets/NumberWizard levels_Data/Managed/Assembly-CSharp.dll' is a binary file and not a text file

Thanks in advance!