diff --git a/packages/Webkul/Product/src/Database/Migrations/2019_05_23_113407_add_remaining_column_in_product_flat_table.php b/packages/Webkul/Product/src/Database/Migrations/2019_05_23_113407_add_remaining_column_in_product_flat_table.php
index 29cdeadd0..9e16cc870 100644
--- a/packages/Webkul/Product/src/Database/Migrations/2019_05_23_113407_add_remaining_column_in_product_flat_table.php
+++ b/packages/Webkul/Product/src/Database/Migrations/2019_05_23_113407_add_remaining_column_in_product_flat_table.php
@@ -14,13 +14,27 @@ class AddRemainingColumnInProductFlatTable extends Migration
     public function up()
     {
         Schema::table('product_flat', function (Blueprint $table) {
-            $table->text('short_description')->nullable();
-            $table->text('meta_title')->nullable();
-            $table->text('meta_keywords')->nullable();
-            $table->text('meta_description')->nullable();
-            $table->decimal('width', 12, 4)->nullable();
-            $table->decimal('height', 12, 4)->nullable();
-            $table->decimal('depth', 12, 4)->nullable();
+            if (! Schema::hasColumn('product_flat', 'short_description')) {
+                $table->text('short_description')->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'meta_title')) {
+                $table->text('meta_title')->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'meta_keywords')) {
+                $table->text('meta_keywords')->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'meta_description')) {
+                $table->text('meta_description')->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'width')) {
+                $table->decimal('width', 12, 4)->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'height')) {
+                $table->decimal('height', 12, 4)->nullable();
+            }
+            if (! Schema::hasColumn('product_flat', 'depth')) {
+                $table->decimal('depth', 12, 4)->nullable();
+            }
         });
     }
 
@@ -32,13 +46,7 @@ class AddRemainingColumnInProductFlatTable extends Migration
     public function down()
     {
         Schema::table('product_flat', function (Blueprint $table) {
-            $table->dropColumn('short_description');
-            $table->dropColumn('meta_title');
-            $table->dropColumn('meta_keywords');
-            $table->dropColumn('meta_description');
-            $table->dropColumn('width', 12, 4);
-            $table->dropColumn('height', 12, 4);
-            $table->dropColumn('depth', 12, 4);
+
         });
     }
-}
+}
\ No newline at end of file
diff --git a/packages/Webkul/User/src/Http/Controllers/SessionController.php b/packages/Webkul/User/src/Http/Controllers/SessionController.php
index f5125e86c..e9a5e13d5 100755
--- a/packages/Webkul/User/src/Http/Controllers/SessionController.php
+++ b/packages/Webkul/User/src/Http/Controllers/SessionController.php
@@ -5,6 +5,7 @@ namespace Webkul\User\Http\Controllers;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use Auth;
+use File;
 
 /**
  * Admin user session controller
@@ -42,6 +43,10 @@ class SessionController extends Controller
      */
     public function create()
     {
+        if (File::exists(public_path('installer'))) {
+            File::deleteDirectory(public_path('installer'));
+        }
+
         if (auth()->guard('admin')->check()) {
             return redirect()->route('admin.dashboard.index');
         } else {
diff --git a/public/index.php b/public/index.php
index ea2ec077f..128cf2cf5 100755
--- a/public/index.php
+++ b/public/index.php
@@ -1,8 +1,17 @@
 <?php
 
-$install = require __DIR__.'/installer/install.php';
+$location = str_replace('\\', '/', getcwd());
+$currentLocation = explode("/", $location);
+$desiredLocation = implode("/", $currentLocation);
+$installFile = $desiredLocation . '/installer' . '/install.php';
 
-if (!is_null($install)) {
+if (file_exists($installFile)) {
+    $install = require __DIR__.'/installer/install.php';
+} else {
+    $install = null;
+}
+
+if (! is_null($install)) {
 
     header("Location: $install");