fixes #1208

main/ui/src/main/java/org/cryptomator/ui/addvaultwizard/CreateNewVaultLocationController.java

@@ -29,6 +29,7 @@ import java.io.File;
 import java.io.IOException;
 import java.nio.file.FileAlreadyExistsException;
 import java.nio.file.Files;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ResourceBundle;
@@ -123,6 +124,9 @@ public class CreateNewVaultLocationController implements FxController {
 		} catch (FileAlreadyExistsException e) {
 			LOG.warn("Can not use already existing vault path {}", vaultPath.get());
 			warningText.set(resourceBundle.getString("addvaultwizard.new.fileAlreadyExists"));
+		} catch (NoSuchFileException e) {
+			LOG.warn("At least one path component does not exist of path {}", vaultPath.get());
+			warningText.set(resourceBundle.getString("addvaultwizard.new.locationDoesNotExist"));
 		} catch (IOException e) {
 			LOG.error("Failed to create and delete directory at chosen vault path.", e);
 			errorComponent.cause(e).window(window).returnToScene(window.getScene()).build().showErrorScene();
@@ -133,7 +137,11 @@ public class CreateNewVaultLocationController implements FxController {
 	public void chooseCustomVaultPath() {
 		DirectoryChooser directoryChooser = new DirectoryChooser();
 		directoryChooser.setTitle(resourceBundle.getString("addvaultwizard.new.directoryPickerTitle"));
-		directoryChooser.setInitialDirectory(customVaultPath.toFile());
+		if (Files.exists(customVaultPath)) {
+			directoryChooser.setInitialDirectory(customVaultPath.toFile());
+		} else {
+			directoryChooser.setInitialDirectory(DEFAULT_CUSTOM_VAULT_PATH.toFile());
+		}
 		final File file = directoryChooser.showDialog(window);
 		if (file != null) {
 			customVaultPath = file.toPath().toAbsolutePath();

main/ui/src/main/resources/i18n/strings.properties

@@ -43,6 +43,7 @@ addvaultwizard.new.directoryPickerLabel=Custom Location
 addvaultwizard.new.directoryPickerButton=Choose…
 addvaultwizard.new.directoryPickerTitle=Select Directory
 addvaultwizard.new.fileAlreadyExists=Vault can not be created at this path because some object already exists.
+addvaultwizard.new.locationDoesNotExist=Vault can not be created at this path because at least one path component does not exist.
 addvaultwizard.new.invalidName=Invalid vault name. Please consider a regular directory name.
 ### Password
 addvaultwizard.new.createVaultBtn=Create Vault