diff --git a/src/share/classes/sun/awt/shell/ShellFolder.java b/src/share/classes/sun/awt/shell/ShellFolder.java
index cf3c78933849048a44d5ba1506b25ed32d37c337..c5b2296b2b754eb2781ac35eeb042997bcdc3ddc 100644
--- a/src/share/classes/sun/awt/shell/ShellFolder.java
+++ b/src/share/classes/sun/awt/shell/ShellFolder.java
@@ -201,6 +201,8 @@ public abstract class ShellFolder extends File {
 
     private static ShellFolderManager shellFolderManager;
 
+    private static Invoker invoker;
+
     static {
         String managerClassName = (String)Toolkit.getDefaultToolkit().
                                       getDesktopProperty("Shell.shellFolderManager");
@@ -225,6 +227,8 @@ public abstract class ShellFolder extends File {
             throw new Error ("Could not access Shell Folder Manager: "
             + managerClass.getName());
         }
+
+        invoker = shellFolderManager.createInvoker();
     }
 
     /**
@@ -486,21 +490,6 @@ public abstract class ShellFolder extends File {
         return null;
     }
 
-    private static Invoker invoker;
-
-    /**
-     * Provides the single access point to the {@link Invoker}. It is guaranteed that the value
-     * returned by this method will be always the same.
-     *
-     * @return the singleton instance of {@link Invoker}
-     */
-    public static Invoker getInvoker() {
-        if (invoker == null) {
-            invoker = shellFolderManager.createInvoker();
-        }
-        return invoker;
-    }
-
     /**
      * Invokes the {@code task} which doesn't throw checked exceptions
      * from its {@code call} method. If invokation is interrupted then Thread.currentThread().isInterrupted() will
@@ -522,7 +511,7 @@ public abstract class ShellFolder extends File {
     public static <T, E extends Throwable> T invoke(Callable<T> task, Class<E> exceptionClass)
             throws InterruptedException, E {
         try {
-            return getInvoker().invoke(task);
+            return invoker.invoke(task);
         } catch (Exception e) {
             if (e instanceof RuntimeException) {
                 // Rethrow unchecked exceptions
diff --git a/src/windows/classes/sun/awt/shell/Win32ShellFolder2.java b/src/windows/classes/sun/awt/shell/Win32ShellFolder2.java
index 90d008625cce3b4a98ef37a74f37e8080d97d1ad..f9b2f4c42802929ebbdfb6f8e79ac017ee7ed783 100644
--- a/src/windows/classes/sun/awt/shell/Win32ShellFolder2.java
+++ b/src/windows/classes/sun/awt/shell/Win32ShellFolder2.java
@@ -693,29 +693,32 @@ final class Win32ShellFolder2 extends ShellFolder {
                     ArrayList<Win32ShellFolder2> list = new ArrayList<Win32ShellFolder2>();
                     long pEnumObjects = getEnumObjects(includeHiddenFiles);
                     if (pEnumObjects != 0) {
-                        long childPIDL;
-                        int testedAttrs = ATTRIB_FILESYSTEM | ATTRIB_FILESYSANCESTOR;
-                        do {
-                            childPIDL = getNextChild(pEnumObjects);
-                            boolean releasePIDL = true;
-                            if (childPIDL != 0 &&
-                                    (getAttributes0(pIShellFolder, childPIDL, testedAttrs) & testedAttrs) != 0) {
-                                Win32ShellFolder2 childFolder;
-                                if (Win32ShellFolder2.this.equals(desktop)
-                                        && personal != null
-                                        && pidlsEqual(pIShellFolder, childPIDL, personal.disposer.relativePIDL)) {
-                                    childFolder = personal;
-                                } else {
-                                    childFolder = new Win32ShellFolder2(Win32ShellFolder2.this, childPIDL);
-                                    releasePIDL = false;
+                        try {
+                            long childPIDL;
+                            int testedAttrs = ATTRIB_FILESYSTEM | ATTRIB_FILESYSANCESTOR;
+                            do {
+                                childPIDL = getNextChild(pEnumObjects);
+                                boolean releasePIDL = true;
+                                if (childPIDL != 0 &&
+                                        (getAttributes0(pIShellFolder, childPIDL, testedAttrs) & testedAttrs) != 0) {
+                                    Win32ShellFolder2 childFolder;
+                                    if (Win32ShellFolder2.this.equals(desktop)
+                                            && personal != null
+                                            && pidlsEqual(pIShellFolder, childPIDL, personal.disposer.relativePIDL)) {
+                                        childFolder = personal;
+                                    } else {
+                                        childFolder = new Win32ShellFolder2(Win32ShellFolder2.this, childPIDL);
+                                        releasePIDL = false;
+                                    }
+                                    list.add(childFolder);
                                 }
-                                list.add(childFolder);
-                            }
-                            if (releasePIDL) {
-                                releasePIDL(childPIDL);
-                            }
-                        } while (childPIDL != 0 && !Thread.currentThread().isInterrupted());
-                        releaseEnumObjects(pEnumObjects);
+                                if (releasePIDL) {
+                                    releasePIDL(childPIDL);
+                                }
+                            } while (childPIDL != 0 && !Thread.currentThread().isInterrupted());
+                        } finally {
+                            releaseEnumObjects(pEnumObjects);
+                        }
                     }
                     return Thread.currentThread().isInterrupted()
                         ? new File[0]
diff --git a/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java b/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java
index abd49d3960bdb984b60736819e2465212d481b44..b7639fa77bbda34c41d72871fdadfd53651974d3 100644
--- a/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java
+++ b/src/windows/classes/sun/awt/shell/Win32ShellFolderManager2.java
@@ -79,9 +79,12 @@ public class Win32ShellFolderManager2 extends ShellFolderManager {
             // Shouldn't happen but watch for it anyway
             throw new FileNotFoundException("File " + file.getAbsolutePath() + " not found");
         }
-        Win32ShellFolder2 folder = createShellFolderFromRelativePIDL(parent, pIDL);
-        Win32ShellFolder2.releasePIDL(pIDL);
-        return folder;
+
+        try {
+            return createShellFolderFromRelativePIDL(parent, pIDL);
+        } finally {
+            Win32ShellFolder2.releasePIDL(pIDL);
+        }
     }
 
     static Win32ShellFolder2 createShellFolderFromRelativePIDL(Win32ShellFolder2 parent, long pIDL)
diff --git a/test/javax/swing/JFileChooser/6741890/bug6741890.java b/test/javax/swing/JFileChooser/6741890/bug6741890.java
index 1253acb1f6aecbdfd62fac7f02ab0ccafd445333..1e670e704044db0a7fe9ba5030aea8e1c7129309 100644
--- a/test/javax/swing/JFileChooser/6741890/bug6741890.java
+++ b/test/javax/swing/JFileChooser/6741890/bug6741890.java
@@ -29,6 +29,7 @@
 */
 
 import sun.awt.shell.ShellFolder;
+import sun.awt.OSInfo;
 
 import java.io.File;
 import java.lang.reflect.Field;
@@ -43,6 +44,12 @@ public class bug6741890 {
     private static final int COUNT = 100000;
 
     public static void main(String[] args) throws Exception {
+        if (OSInfo.getOSType() != OSInfo.OSType.WINDOWS) {
+            System.out.println("The test is applicable only for Windows. Skipped.");
+
+            return;
+        }
+
         String tmpDir = System.getProperty("java.io.tmpdir");
 
         if (tmpDir.length() == 0) { //'java.io.tmpdir' isn't guaranteed to be defined