diff --git a/java/idea-ui/src/com/intellij/ide/actions/ImportModuleAction.java b/java/idea-ui/src/com/intellij/ide/actions/ImportModuleAction.java
index c8978ab514e4..2c0cb1bc1ba5 100644
--- a/java/idea-ui/src/com/intellij/ide/actions/ImportModuleAction.java
+++ b/java/idea-ui/src/com/intellij/ide/actions/ImportModuleAction.java
@@ -16,6 +16,7 @@
 package com.intellij.ide.actions;
 
 import com.intellij.ide.impl.NewProjectUtil;
+import com.intellij.ide.impl.ProjectUtil;
 import com.intellij.ide.util.PropertiesComponent;
 import com.intellij.ide.util.newProjectWizard.AbstractProjectWizard;
 import com.intellij.ide.util.newProjectWizard.AddModuleWizard;
@@ -30,9 +31,9 @@ import com.intellij.openapi.fileChooser.FileChooserFactory;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleManager;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectManager;
 import com.intellij.openapi.roots.ui.configuration.actions.NewModuleAction;
 import com.intellij.openapi.ui.Messages;
-import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.projectImport.ProjectImportProvider;
@@ -132,6 +133,12 @@ public class ImportModuleAction extends AnAction {
     }
 
     final VirtualFile file = files[0];
+    for (Project p : ProjectManager.getInstance().getOpenProjects()) {
+      if (ProjectUtil.isSameProject(file.getPath(), p)) {
+        ProjectUtil.focusProjectWindow(p, false);
+        return null;
+      }
+    }
     PropertiesComponent.getInstance().setValue(LAST_IMPORTED_LOCATION, file.getPath());
     return createImportWizard(project, dialogParent, file, providers);
   }
diff --git a/java/idea-ui/src/com/intellij/ide/impl/NewProjectUtil.java b/java/idea-ui/src/com/intellij/ide/impl/NewProjectUtil.java
index 568e3a76e255..e46e74833e95 100644
--- a/java/idea-ui/src/com/intellij/ide/impl/NewProjectUtil.java
+++ b/java/idea-ui/src/com/intellij/ide/impl/NewProjectUtil.java
@@ -84,6 +84,13 @@ public class NewProjectUtil {
   private static Project doCreate(final AbstractProjectWizard dialog, @Nullable Project projectToClose) throws IOException {
     final ProjectManagerEx projectManager = ProjectManagerEx.getInstanceEx();
     final String projectFilePath = dialog.getNewProjectFilePath();
+    for (Project p : ProjectManager.getInstance().getOpenProjects()) {
+      if (ProjectUtil.isSameProject(projectFilePath, p)) {
+        ProjectUtil.focusProjectWindow(p, false);
+        return null;
+      }
+    }
+
     final ProjectBuilder projectBuilder = dialog.getProjectBuilder();
 
     try {
diff --git a/java/idea-ui/src/com/intellij/ide/util/projectWizard/NamePathComponent.java b/java/idea-ui/src/com/intellij/ide/util/projectWizard/NamePathComponent.java
index a7d433a5fc87..6d32b4c03d15 100644
--- a/java/idea-ui/src/com/intellij/ide/util/projectWizard/NamePathComponent.java
+++ b/java/idea-ui/src/com/intellij/ide/util/projectWizard/NamePathComponent.java
@@ -17,12 +17,14 @@ package com.intellij.ide.util.projectWizard;
 
 import com.intellij.ide.IdeBundle;
 import com.intellij.ide.highlighter.ProjectFileType;
+import com.intellij.ide.impl.ProjectUtil;
 import com.intellij.ide.util.BrowseFilesListener;
 import com.intellij.openapi.application.ApplicationInfo;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectManager;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.io.FileUtil;
 import com.intellij.openapi.util.text.StringUtil;
@@ -161,7 +163,12 @@ public class NamePathComponent extends JPanel{
 
     File file = new File(projectDirectory);
     if (file.exists() && !file.canWrite()) {
-      throw new ConfigurationException(String.format("Directory '%s' is not writable!\nPlease choose another project location.", projectDirectory));
+      throw new ConfigurationException(String.format("Directory '%s' is not seem to be writable. Please consider another location.", projectDirectory));
+    }
+    for (Project p : ProjectManager.getInstance().getOpenProjects()) {
+      if (ProjectUtil.isSameProject(projectDirectory, p)) {
+        throw new ConfigurationException(String.format("Directory '%s' is already taken by the project '%s'. Please consider another location.", projectDirectory, p.getName()));
+      }
     }
 
     boolean shouldContinue = true;