diff --git a/.gitignore b/.gitignore
index 26a509fa5..ba85e71ad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 .DS_Store
 config.php
 .env
+install.lock
 error_log
 failed-login.log
 php_errors.log
diff --git a/_install/install_nntmux.php b/_install/install_nntmux.php
index f093f60ed..a24677e04 100644
--- a/_install/install_nntmux.php
+++ b/_install/install_nntmux.php
@@ -1,17 +1,32 @@
 <?php
-require_once dirname(__DIR__) . DS .  'bootstrap.php';
+
+if (!defined('NN_INSTALLER')) {
+	define('NN_INSTALLER', true);
+}
+require_once dirname(__DIR__) . '/bootstrap.php';
+include_once dirname(__DIR__) . '/nntmux/constants.php';
 
 use app\extensions\util\Versions;
+use nntmux\config\Configure;
 use nntmux\db\DB;
 use nntmux\db\DbUpdate;
 use nntmux\ColorCLI;
 use nntmux\Users;
 
+$config = new Configure('install');
+
 $pdo = new DB();
 $users = new Users();
+$error = false;
+
+
+if (file_exists(NN_ROOT . '_install/install.lock')) {
+	ColorCLI::doEcho(ColorCLI::notice('Installation is locked. If you want to reinstall the database, please remove install.lock file from _install folder'));
+	exit();
+}
 
 // Check if user selected right DB type.
-if (getenv('DB_SYSTEM') === 'mysql') {
+if (getenv('DB_SYSTEM') !== 'mysql') {
 	ColorCLI::doEcho(ColorCLI::error('Invalid database system. Must be: mysql ; Not: ' . getenv('DB_SYSTEM')));
 	$error = true;
 } else {
@@ -23,7 +38,7 @@ if (getenv('DB_SYSTEM') === 'mysql') {
 				'checkVersion' => true,
 				'createDb'     => true,
 				'dbhost'       => getenv('DB_HOST'),
-				'dbname'       => getenv('DB_Name'),
+				'dbname'       => getenv('DB_NAME'),
 				'dbpass'       => getenv('DB_PASSWORD'),
 				'dbport'       => getenv('PORT'),
 				'dbsock'       => getenv('DB_SOCKET'),
@@ -41,8 +56,8 @@ if (getenv('DB_SYSTEM') === 'mysql') {
 			case 1:
 			case 2:
 			case 3:
-				$error    = true;
-			ColorCLI::doEcho(ColorCLI::alternate($e->getMessage()));
+				$error = true;
+				ColorCLI::doEcho(ColorCLI::alternate($e->getMessage()));
 				break;
 			default:
 				var_dump($e);
@@ -56,8 +71,8 @@ if (getenv('DB_SYSTEM') === 'mysql') {
 		try {
 			$goodVersion = $pdo->isDbVersionAtLeast(NN_MINIMUM_MYSQL_VERSION);
 		} catch (\PDOException $e) {
-			$goodVersion   = false;
-			$error    = true;
+			$goodVersion = false;
+			$error = true;
 			ColorCLI::doEcho(ColorCLI::error('Could not get version from MySQL server.'));
 		}
 
@@ -67,7 +82,9 @@ if (getenv('DB_SYSTEM') === 'mysql') {
 				'You are using an unsupported version of ' .
 				getenv('DB_SYSTEM') .
 				' the minimum allowed version is ' .
-				NN_MINIMUM_MYSQL_VERSION));
+				NN_MINIMUM_MYSQL_VERSION
+			)
+			);
 		}
 	}
 }
@@ -128,12 +145,12 @@ if (!$error) {
 			if ($updateSettings) {
 				ColorCLI::doEcho(ColorCLI::info('Database updated successfully'));
 			} else {
-				$error    = true;
+				$error = true;
 				ColorCLI::doEcho(ColorCLI::error('Could not update sqlpatch to ' . $patch . ' for your database.'));
 			}
 		} else {
 			$dbCreateCheck = false;
-			$error         = true;
+			$error = true;
 			ColorCLI::doEcho(ColorCLI::warning('Could not select data from your database.'));
 		}
 	}
@@ -192,8 +209,52 @@ if (getenv('ADMIN_USER') === '' || getenv('ADMIN_PASS') === '' || getenv('ADMIN_
 		$adminCheck = $user->add(getenv('ADMIN_USER'), getenv('ADMIN_PASS'), getenv('ADMIN_EMAIL'), 2, '', '');
 		if (!is_numeric($adminCheck)) {
 			$error = true;
-		} else {
-			$user->login($adminCheck, '', 1);
 		}
 	}
+}
+$doCheck = true;
+
+$covers_path = NN_RES . 'covers' . DS;
+$nzb_path = NN_RES . 'nzb' . DS;
+$tmp_path = NN_RES . 'tmp' . DS;
+$unrar_path = $tmp_path . 'unrar' . DS;
+
+
+$nzbPathCheck = is_writable($nzb_path);
+if ($nzbPathCheck === false) {
+	$error = true;
+}
+
+$lastchar = substr($nzb_path, strlen($nzb_path) - 1);
+if ($lastchar !== '/') {
+	$nzb_path .= '/';
+}
+
+$unrarPathCheck = is_writable($nzb_path);
+if ($unrarPathCheck === false) {
+	$error = true;
+}
+
+$lastchar = substr($unrar_path, strlen($unrar_path) - 1);
+if ($lastchar !== '/') {
+	$unrar_path .= '/';
+}
+
+if (!$error) {
+	if (!file_exists($unrar_path)) {
+		mkdir($unrar_path);
+	}
+
+	$sql1 = sprintf("UPDATE settings SET value = %s WHERE setting = 'nzbpath'", $pdo->escapeString($nzb_path));
+	$sql2 = sprintf("UPDATE settings SET value = %s WHERE setting = 'tmpunrarpath'", $pdo->escapeString($unrar_path));
+	$sql3 = sprintf("UPDATE settings SET value = %s WHERE setting = 'coverspath'", $pdo->escapeString($covers_path));
+	if ($pdo->queryExec($sql1) === false || $pdo->queryExec($sql2) === false || $pdo->queryExec($sql3) === false) {
+		$error = true;
+	} else {
+		ColorCLI::doEcho(ColorCLI::info('Settings table updated successfully'));
+	}
+}
+if (!$error) {
+	@file_put_contents(NN_ROOT . '_install/install.lock', '');
+	ColorCLI::doEcho(ColorCLI::alternate('NNTmux installation completed successfully'));
 }
\ No newline at end of file
diff --git a/nntmux/config/Configure.php b/nntmux/config/Configure.php
index 70a1c1ee8..bef8a6be9 100755
--- a/nntmux/config/Configure.php
+++ b/nntmux/config/Configure.php
@@ -28,7 +28,7 @@ class Configure
 			'settings'	=> false
 		],
 		'install' => [
-			'.env'	=> false,
+			'.env'	=> true,
 			'settings'	=> false
 		],
 		'smarty'  => [
@@ -49,21 +49,19 @@ class Configure
 				$this->loadSettings($config, $throwException);
 			}
 		} else {
-			throw new \RuntimeException("Unknown environment passed to Configure class!");
+			throw new \RuntimeException('Unknown environment passed to Configure class!');
 		}
 	}
 
 	public function loadSettings($filename, $throwException = true)
 	{
 		$file = NN_ROOT . '.env';
-		if (!file_exists($file)) {
-			if ($throwException) {
-				$errorCode = (int)($filename === '.env');
-				throw new \RuntimeException(
-					"Unable to load configuration file '$file'. Make sure it has been created and contains correct settings.",
-					$errorCode
-				);
-			}
+		if (!file_exists($file) && $throwException) {
+			$errorCode = (int)($filename === '.env');
+			throw new \RuntimeException(
+				"Unable to load configuration file '$file'. Make sure it has been created and contains correct settings.",
+				$errorCode
+			);
 		}
 
 		switch ($filename) {