diff --git a/web/app/controllers/Install.java b/web/app/controllers/Install.java
index b54f978fcff62b9fb4ffa26bed8b84ef0e63132e..05bf1b9eb7d88769e86a6a246d5324c2e52839c9 100644
--- a/web/app/controllers/Install.java
+++ b/web/app/controllers/Install.java
@@ -5,8 +5,6 @@ import java.util.ArrayList;
 
 import java.awt.*;
 
-import javax.swing.JOptionPane;
-
 import play.*;
 import play.mvc.*;
 import play.data.*;
@@ -20,7 +18,7 @@ public class Install extends Controller {
     private static String MAKE_OUTPUT_DIR = "/tmp/";
 
     public static Result index() {
-        return ok(views.html.install.index.render());
+        return ok(views.html.install.index.render(null,null,false,null,null,null,null,true));
     }
 
     public static Result makePackage() {
@@ -36,9 +34,23 @@ public class Install extends Controller {
         String proxyUser = requestData.get("proxyUser");
         String proxyPass = requestData.get("proxyPass");
 
+        String osStr = requestData.get("os");
+        boolean osLinux = false;
+        if (osStr.equals("true")) osLinux = true;
+
+        if (!osLinux) {
+            return ok(views.html.install.index.render(
+                "O pacote de instalação para Windows está temporariamente indisponível.",
+                inep, useProxy,
+                proxyHost, proxyPort, proxyUser, proxyPass,
+                osLinux));
+        }
+
         if ((inep == null) || (inep.length() < 6) || (inep.length() > 12)) {
-            JOptionPane.showMessageDialog(null, "Inep Inválido", "INEP", JOptionPane.ERROR_MESSAGE);
-            return ok(views.html.install.index.render());
+            return ok(views.html.install.index.render(
+                "INEP inválido!", inep, useProxy,
+                proxyHost, proxyPort, proxyUser, proxyPass,
+                osLinux));
         }
 
         School school = null;
@@ -52,15 +64,13 @@ public class Install extends Controller {
         }
 
         if (school == null) {
-            JOptionPane.showMessageDialog(null, "Inep Inválido", "INEP", JOptionPane.ERROR_MESSAGE);
-            return ok(views.html.install.index.render());
+            return ok(views.html.install.index.render(
+                "INEP não encontrado na base de dados!", inep, useProxy,
+                proxyHost, proxyPort, proxyUser, proxyPass,
+                osLinux));
         }
 
-
         // build the package
-        String osStr = requestData.get("os");
-        boolean osLinux = false;
-        if (osStr.equals("true")) osLinux = true;
         String command = "";
         if (osLinux)
             command = "sh " + MAKE_PACKAGE_BIN_L + " " + inep;
diff --git a/web/app/views/install/index.scala.html b/web/app/views/install/index.scala.html
index 04bb303c58de436ad5ef2682c0d4efc0f90d2278..97999a89c98003ed286537d30155c9548f315e4d 100644
--- a/web/app/views/install/index.scala.html
+++ b/web/app/views/install/index.scala.html
@@ -1,6 +1,40 @@
+@(error: String = "",
+  inep: String = "",
+  useProxy: Boolean = false,
+  proxyHost: String = "",
+  proxyPort: String = "",
+  proxyUser: String = "",
+  proxyPass: String = "",
+  useLinux: Boolean = true)
+
 @scripts = {
 <script>
     (function ($) {
+        @if(useProxy) {
+            $('#useProxy').prop('checked', true);
+            $('#dontUseProxy').prop('checked', false);
+            $('.proxy').each(function () {
+                $(this).show();
+            });
+        } else {
+            $('#useProxy').prop('checked', false);
+            $('#dontUseProxy').prop('checked', true);
+            $('.proxy').each(function () {
+                $(this).hide();
+            });
+        }
+
+        @if(useLinux) {
+            $('#useLinux').prop('checked', true);
+            $('#dontUseLinux').prop('checked', false);
+        }
+
+        $('#inep').val("@inep");
+        $('#proxyHost').val("@proxyHost");
+        $('#proxyPort').val("@proxyPort");
+        $('#proxyUser').val("@proxyUser");
+        $('#proxyPass').val("@proxyPass");
+
         $('#useProxy').click(function (){
             $('.proxy').each(function () {
                 $(this).show();
@@ -12,10 +46,6 @@
                 $(this).hide();
             });
         });
-
-        $('.proxy').each(function () {
-            $(this).hide();
-        });
     })( jQuery );
 </script>
 }
@@ -37,6 +67,13 @@ para maiores detalhes.
 
 <div class="row-fluid main-row">
     <form class="span8 offset2" action="@routes.Install.makePackage()" method="POST">
+        @if(error && (!error.isEmpty())) {
+        <div class="alert alert-error">
+            <b>Erro:</b>
+            @error
+        </div>
+        }
+
         <div class="well form-horizontal">
             <div class="control-group">
                 <label class="control-label" for="inep">INEP:</label>
diff --git a/web/conf/routes b/web/conf/routes
index 9b87e3d3ea62bcdddd082eaf09c7180b5eca4dda..17c5a05e31715b63096c6ac6c93dd53b2d2b9c11 100644
--- a/web/conf/routes
+++ b/web/conf/routes
@@ -8,7 +8,7 @@ GET     /                                   controllers.Application.index()
 GET     /doc/                               controllers.Doc.index()
 
 GET     /install/                           controllers.Install.index()
-POST    /install/make/                      controllers.Install.makePackage()
+POST    /install/                           controllers.Install.makePackage()
 
 GET     /attendance/                        controllers.Attendance.index()