diff --git a/main/ui/src/main/java/org/cryptomator/ui/common/ErrorComponent.java b/main/ui/src/main/java/org/cryptomator/ui/common/ErrorComponent.java
index 6a50ee44a..285270b4c 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/common/ErrorComponent.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/common/ErrorComponent.java
@@ -4,6 +4,7 @@ import dagger.BindsInstance;
 import dagger.Subcomponent;
 
 import javax.annotation.Nullable;
+import javafx.application.Platform;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
 
@@ -16,6 +17,14 @@ public interface ErrorComponent {
 	Scene scene();
 
 	default void showErrorScene() {
+		if (Platform.isFxApplicationThread()) {
+			show();
+		} else {
+			Platform.runLater(this::show);
+		}
+	}
+
+	private void show() {
 		Stage stage = window();
 		stage.setScene(scene());
 		stage.show();
diff --git a/main/ui/src/main/java/org/cryptomator/ui/preferences/GeneralPreferencesController.java b/main/ui/src/main/java/org/cryptomator/ui/preferences/GeneralPreferencesController.java
index 208605f51..496ada2ce 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/preferences/GeneralPreferencesController.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/preferences/GeneralPreferencesController.java
@@ -6,6 +6,7 @@ import org.cryptomator.common.settings.KeychainBackend;
 import org.cryptomator.common.settings.Settings;
 import org.cryptomator.common.settings.UiTheme;
 import org.cryptomator.integrations.keychain.KeychainAccessProvider;
+import org.cryptomator.ui.common.ErrorComponent;
 import org.cryptomator.ui.common.FxController;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -24,6 +25,7 @@ import javafx.scene.control.ChoiceBox;
 import javafx.scene.control.RadioButton;
 import javafx.scene.control.Toggle;
 import javafx.scene.control.ToggleGroup;
+import javafx.stage.Stage;
 import javafx.util.StringConverter;
 import java.util.Arrays;
 import java.util.Optional;
@@ -37,6 +39,7 @@ public class GeneralPreferencesController implements FxController {
 
 	private static final Logger LOG = LoggerFactory.getLogger(GeneralPreferencesController.class);
 
+	private final Stage window;
 	private final Settings settings;
 	private final boolean trayMenuSupported;
 	private final Optional<AutoStartStrategy> autoStartStrategy;
@@ -47,6 +50,7 @@ public class GeneralPreferencesController implements FxController {
 	private final Application application;
 	private final Environment environment;
 	private final Set<KeychainAccessProvider> keychainAccessProviders;
+	private final ErrorComponent.Builder errorComponent;
 	public ChoiceBox<UiTheme> themeChoiceBox;
 	public ChoiceBox<KeychainBackend> keychainBackendChoiceBox;
 	public CheckBox startHiddenCheckbox;
@@ -57,7 +61,8 @@ public class GeneralPreferencesController implements FxController {
 	public RadioButton nodeOrientationRtl;
 
 	@Inject
-	GeneralPreferencesController(Settings settings, @Named("trayMenuSupported") boolean trayMenuSupported, Optional<AutoStartStrategy> autoStartStrategy, Set<KeychainAccessProvider> keychainAccessProviders, ObjectProperty<SelectedPreferencesTab> selectedTabProperty, LicenseHolder licenseHolder, ExecutorService executor, ResourceBundle resourceBundle, Application application, Environment environment) {
+	GeneralPreferencesController(@PreferencesWindow Stage window, Settings settings, @Named("trayMenuSupported") boolean trayMenuSupported, Optional<AutoStartStrategy> autoStartStrategy, Set<KeychainAccessProvider> keychainAccessProviders, ObjectProperty<SelectedPreferencesTab> selectedTabProperty, LicenseHolder licenseHolder, ExecutorService executor, ResourceBundle resourceBundle, Application application, Environment environment, ErrorComponent.Builder errorComponent) {
+		this.window = window;
 		this.settings = settings;
 		this.trayMenuSupported = trayMenuSupported;
 		this.autoStartStrategy = autoStartStrategy;
@@ -68,6 +73,7 @@ public class GeneralPreferencesController implements FxController {
 		this.resourceBundle = resourceBundle;
 		this.application = application;
 		this.environment = environment;
+		this.errorComponent = errorComponent;
 	}
 
 	@FXML
@@ -129,6 +135,7 @@ public class GeneralPreferencesController implements FxController {
 			toggleTask.setOnFailed(event -> {
 				autoStartCheckbox.setSelected(!enableAutoStart); // restore previous state
 				LOG.error("Failed to toggle autostart.", event.getSource().getException());
+				errorComponent.cause(event.getSource().getException()).window(window).returnToScene(window.getScene()).build().showErrorScene();
 			});
 			executor.execute(toggleTask);
 		});
diff --git a/main/ui/src/main/java/org/cryptomator/ui/recoverykey/RecoveryKeyCreationController.java b/main/ui/src/main/java/org/cryptomator/ui/recoverykey/RecoveryKeyCreationController.java
index de756d899..902f2cd50 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/recoverykey/RecoveryKeyCreationController.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/recoverykey/RecoveryKeyCreationController.java
@@ -4,6 +4,7 @@ import dagger.Lazy;
 import org.cryptomator.common.vaults.Vault;
 import org.cryptomator.cryptolib.api.InvalidPassphraseException;
 import org.cryptomator.ui.common.Animations;
+import org.cryptomator.ui.common.ErrorComponent;
 import org.cryptomator.ui.common.FxController;
 import org.cryptomator.ui.common.FxmlFile;
 import org.cryptomator.ui.common.FxmlScene;
@@ -31,16 +32,18 @@ public class RecoveryKeyCreationController implements FxController {
 	private final ExecutorService executor;
 	private final RecoveryKeyFactory recoveryKeyFactory;
 	private final StringProperty recoveryKeyProperty;
+	private final ErrorComponent.Builder errorComponent;
 	public NiceSecurePasswordField passwordField;
 
 	@Inject
-	public RecoveryKeyCreationController(@RecoveryKeyWindow Stage window, @FxmlScene(FxmlFile.RECOVERYKEY_SUCCESS) Lazy<Scene> successScene, @RecoveryKeyWindow Vault vault, RecoveryKeyFactory recoveryKeyFactory, ExecutorService executor, @RecoveryKeyWindow StringProperty recoveryKey) {
+	public RecoveryKeyCreationController(@RecoveryKeyWindow Stage window, @FxmlScene(FxmlFile.RECOVERYKEY_SUCCESS) Lazy<Scene> successScene, @RecoveryKeyWindow Vault vault, RecoveryKeyFactory recoveryKeyFactory, ExecutorService executor, @RecoveryKeyWindow StringProperty recoveryKey, ErrorComponent.Builder errorComponent) {
 		this.window = window;
 		this.successScene = successScene;
 		this.vault = vault;
 		this.executor = executor;
 		this.recoveryKeyFactory = recoveryKeyFactory;
 		this.recoveryKeyProperty = recoveryKey;
+		this.errorComponent = errorComponent;
 	}
 
 	@FXML
@@ -59,6 +62,7 @@ public class RecoveryKeyCreationController implements FxController {
 				Animations.createShakeWindowAnimation(window).play();
 			} else {
 				LOG.error("Creation of recovery key failed.", task.getException());
+				errorComponent.cause(task.getException()).window(window).returnToScene(window.getScene()).build().showErrorScene();
 			}
 		});
 		executor.submit(task);
diff --git a/main/ui/src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java b/main/ui/src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java
index 9b95103ad..8cb7e0752 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java
@@ -209,9 +209,7 @@ public class UnlockWorkflow extends Task<Boolean> {
 
 	private void handleGenericError(Throwable e) {
 		LOG.error("Unlock failed for technical reasons.", e);
-		Platform.runLater(() -> {
-			errorComponent.cause(e).window(window).returnToScene(window.getScene()).build().showErrorScene();
-		});
+		errorComponent.cause(e).window(window).returnToScene(window.getScene()).build().showErrorScene();
 	}
 
 	private void wipePassword(char[] pw) {