I can't be bothered to do a real solution

Assets/Scripts/SensitiveInfo.cs

@@ -2,6 +2,7 @@ using System;
 using System.IO;
 using System.Security.Cryptography;
 using System.Text;
+using UnityEngine;
 
 public class SensitiveInfo
 {
@@ -31,20 +32,28 @@ public class SensitiveInfo
 
     public static string Decrypt(string dataB64, string key)
     {
-        var data = Convert.FromBase64String(dataB64);
-        using Aes aes = Aes.Create();
-        aes.Key = Encoding.UTF8.GetBytes(key);
-        aes.Mode = CipherMode.CBC;
-        aes.Padding = PaddingMode.PKCS7;
+        try
+        {
+            var data = Convert.FromBase64String(dataB64);
+            using Aes aes = Aes.Create();
+            aes.Key = Encoding.UTF8.GetBytes(key);
+            aes.Mode = CipherMode.CBC;
+            aes.Padding = PaddingMode.PKCS7;
 
-        byte[] iv = new byte[16];
-        Array.Copy(data, 0, iv, 0, iv.Length);
-        aes.IV = iv;
+            byte[] iv = new byte[16];
+            Array.Copy(data, 0, iv, 0, iv.Length);
+            aes.IV = iv;
 
-        using MemoryStream ms = new(data, iv.Length, data.Length - iv.Length);
-        using var cryptoStream = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Read);
-        using StreamReader reader = new(cryptoStream);
+            using MemoryStream ms = new(data, iv.Length, data.Length - iv.Length);
+            using var cryptoStream = new CryptoStream(ms, aes.CreateDecryptor(), CryptoStreamMode.Read);
+            using StreamReader reader = new(cryptoStream);
 
-        return reader.ReadToEnd();
+            return reader.ReadToEnd();
+        }
+        catch
+        {
+            Application.Quit();
+            return null;
+        }
     }
 }