diff --git a/web/application/controllers/PluginsController.php b/web/application/controllers/PluginsController.php
index 9570cf6..ac98755 100644
--- a/web/application/controllers/PluginsController.php
+++ b/web/application/controllers/PluginsController.php
@@ -62,24 +62,35 @@ public function actionInstall($id)
 		
 		try
 		{
-			$plugin->runInstall();
-			$plugin->status=!$plugin->canDisable()
-				?SBPlugin::STATUS_ENABLED
-				:SBPlugin::STATUS_INSTALLED;
-			$plugin->save();
-			SourceBans::log('Plugin installed', 'Plugin "' . $plugin->name . '" was installed');
+			if($plugin->runInstall()!==false)
+			{
+				$result=true;
+				$plugin->status=!$plugin->canDisable()
+					?SBPlugin::STATUS_ENABLED
+					:SBPlugin::STATUS_INSTALLED;
+				$plugin->save();
+				SourceBans::log('Plugin installed', 'Plugin "' . $plugin->name . '" was installed');
+			}
+			else
+			{
+				$result=array(
+					'error' => array(
+						'message' => Yii::t('sourcebans', 'Installation failed'),
+					),
+				);
+			}
 		}
 		catch(Exception $e)
 		{
-			Yii::app()->end(CJSON::encode(array(
+			$result=array(
 				'error' => array(
 					'code'    => $e->getCode(),
 					'message' => $e->getMessage(),
 				),
-			)));
+			);
 		}
 		
-		Yii::app()->end(CJSON::encode(true));
+		Yii::app()->end(CJSON::encode($result));
 	}
 
 	public function actionSettings($id)
@@ -110,22 +121,33 @@ public function actionUninstall($id)
 		
 		try
 		{
-			$plugin->runUninstall();
-			$plugin->status=0;
-			$plugin->save();
-			SourceBans::log('Plugin uninstalled', 'Plugin "' . $plugin->name . '" was uninstalled', SBLog::WARNING_TYPE);
+			if($plugin->runUninstall()!==false)
+			{
+				$result=true;
+				$plugin->status=0;
+				$plugin->save();
+				SourceBans::log('Plugin uninstalled', 'Plugin "' . $plugin->name . '" was uninstalled', SBLog::WARNING_TYPE);
+			}
+			else
+			{
+				$result=array(
+					'error' => array(
+						'message' => Yii::t('sourcebans', 'Uninstallation failed'),
+					),
+				);
+			}
 		}
 		catch(Exception $e)
 		{
-			Yii::app()->end(CJSON::encode(array(
+			$result=array(
 				'error' => array(
 					'code'    => $e->getCode(),
 					'message' => $e->getMessage(),
 				),
-			)));
+			);
 		}
 		
-		Yii::app()->end(CJSON::encode(true));
+		Yii::app()->end(CJSON::encode($result));
 	}
 
 	/**
diff --git a/web/application/messages/cs/sourcebans.php b/web/application/messages/cs/sourcebans.php
index 170b938..8d4377d 100644
--- a/web/application/messages/cs/sourcebans.php
+++ b/web/application/messages/cs/sourcebans.php
@@ -97,6 +97,7 @@
 	'Imported successfully' => '',
 	'Information' => 'Informace',
 	'Install' => '',
+	'Installation failed' => '',
 	'Invoked on' => 'Uděleno dne',
 	'Join game' => '',
 	'Kick player' => '',
@@ -179,6 +180,7 @@
 	'Unban reason' => '',
 	'Unbanned by' => '',
 	'Uninstall' => '',
+	'Uninstallation failed' => '',
 	'Unknown' => 'Neznámý',
 	'Version' => 'Verze',
 	'View Steam Profile' => '',
diff --git a/web/application/messages/de/sourcebans.php b/web/application/messages/de/sourcebans.php
index a2726be..b90a8f7 100644
--- a/web/application/messages/de/sourcebans.php
+++ b/web/application/messages/de/sourcebans.php
@@ -97,6 +97,7 @@
 	'Imported successfully' => '',
 	'Information' => 'Information',
 	'Install' => 'Installieren',
+	'Installation failed' => '',
 	'Invoked on' => 'Ausgesprochen am',
 	'Join game' => 'Verbinden',
 	'Kick player' => 'Spieler kicken',
@@ -179,6 +180,7 @@
 	'Unban reason' => 'Entbanngrund',
 	'Unbanned by' => '@@Entbannt von@@',
 	'Uninstall' => 'Deinstallieren',
+	'Uninstallation failed' => '',
 	'Unknown' => 'Unbekannt',
 	'Version' => 'Version',
 	'View Steam Profile' => 'Steam-Profil anzeigen',
diff --git a/web/application/messages/en/sourcebans.php b/web/application/messages/en/sourcebans.php
index 5e5d5e2..9cf88d9 100644
--- a/web/application/messages/en/sourcebans.php
+++ b/web/application/messages/en/sourcebans.php
@@ -97,6 +97,7 @@
 	'Imported successfully' => '',
 	'Information' => 'Information',
 	'Install' => 'Install',
+	'Installation failed' => 'Installation failed',
 	'Invoked on' => 'Invoked on',
 	'Join game' => 'Join game',
 	'Kick player' => 'Kick player',
@@ -179,6 +180,7 @@
 	'Unban reason' => 'Unban reason',
 	'Unbanned by' => '@@Unbanned by@@',
 	'Uninstall' => 'Uninstall',
+	'Uninstallation failed' => 'Uninstallation failed',
 	'Unknown' => 'Unknown',
 	'Version' => 'Version',
 	'View Steam Profile' => 'View Steam Profile',
diff --git a/web/application/messages/nl/sourcebans.php b/web/application/messages/nl/sourcebans.php
index 39877bd..502a3d5 100644
--- a/web/application/messages/nl/sourcebans.php
+++ b/web/application/messages/nl/sourcebans.php
@@ -97,6 +97,7 @@
 	'Imported successfully' => 'Succesvol geïmporteerd',
 	'Information' => 'Informatie',
 	'Install' => 'Installeren',
+	'Installation failed' => '',
 	'Invoked on' => 'Ingeroepen op',
 	'Join game' => 'Meespelen',
 	'Kick player' => 'Kick speler',
@@ -179,6 +180,7 @@
 	'Unban reason' => 'Unban reden',
 	'Unbanned by' => '@@Unbanned by@@',
 	'Uninstall' => 'Deïnstalleren',
+	'Uninstallation failed' => '',
 	'Unknown' => 'Onbekend',
 	'Version' => 'Versie',
 	'View Steam Profile' => 'Steam-profiel weergeven',
diff --git a/web/application/messages/ru/sourcebans.php b/web/application/messages/ru/sourcebans.php
index 1a1f9e2..0ba9dd2 100644
--- a/web/application/messages/ru/sourcebans.php
+++ b/web/application/messages/ru/sourcebans.php
@@ -97,6 +97,7 @@
 	'Imported successfully' => '',
 	'Information' => 'Информация',
 	'Install' => 'Установка',
+	'Installation failed' => 'Не удалось установить',
 	'Invoked on' => 'Выдано',
 	'Join game' => 'Присоединиться',
 	'Kick player' => 'Отключить игрока',
@@ -179,6 +180,7 @@
 	'Unban reason' => 'Причина разбана',
 	'Unbanned by' => '@@Разбанил(а)@@',
 	'Uninstall' => 'Удалить',
+	'Uninstallation failed' => 'Не удалось удалить',
 	'Unknown' => 'Неизвестно',
 	'Version' => 'Версия',
 	'View Steam Profile' => 'Посмотреть профиль Steam',