Stop .gms being opened.

GoOS/Kernel.cs

@@ -35,19 +35,6 @@
 
 //Goplex Studios - GoOS
 //Copyright (C) 2022  Owen2k6
-//
-//This program is free software: you can redistribute it and/or modify
-//it under the terms of the GNU General Public License as published by
-//the Free Software Foundation, either version 3 of the License, or
-//(at your option) any later version.
-//
-//This program is distributed in the hope that it will be useful,
-//but WITHOUT ANY WARRANTY; without even the implied warranty of
-//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-//GNU General Public License for more details.
-//
-//You should have received a copy of the GNU General Public License
-//along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 namespace GoOS
 {
@@ -401,6 +388,11 @@ protected override void Run()
                         log(ThemeManager.ErrorText, "Missing arguments");
                         break;
                     }
+                    if (args[1].EndsWith(".gms"))
+                    {
+                        log(ThemeManager.ErrorText, "Files that end with .gms cannot be opened. they are protected files.");
+                        break;
+                    }
                     textcolour(ThemeManager.Default);
                     var editor = new TextEditor(Util.Paths.JoinPaths(currentdirfix, args[1]));
                     editor.Start();