diff --git a/platform/bootstrap/src/com/intellij/idea/Main.java b/platform/bootstrap/src/com/intellij/idea/Main.java
index ce8a2d0f14e9..4b805923cb6b 100644
--- a/platform/bootstrap/src/com/intellij/idea/Main.java
+++ b/platform/bootstrap/src/com/intellij/idea/Main.java
@@ -129,16 +129,28 @@ public class Main {
     // always delete previous patch copy
     File patchCopy = new File(tempDir, patchFileName + "_copy");
     File log4jCopy = new File(tempDir, "log4j.jar." + platform + "_copy");
-    if (!FileUtilRt.delete(patchCopy) || !FileUtilRt.delete(log4jCopy)) {
+    File jnaUtilsCopy = new File(tempDir, "jna-utils.jar." + platform + "_copy");
+    File jnaCopy = new File(tempDir, "jna.jar." + platform + "_copy");
+    if (!FileUtilRt.delete(patchCopy) || !FileUtilRt.delete(log4jCopy) || !FileUtilRt.delete(jnaUtilsCopy) || !FileUtilRt.delete(jnaCopy)) {
       throw new IOException("Cannot delete temporary files in " + tempDir);
     }
 
     File patch = new File(tempDir, patchFileName);
     if (!patch.exists()) return;
+
     File log4j = new File(PathManager.getLibPath(), "log4j.jar");
-    if (!log4j.exists()) throw new IOException("Log4J missing: " + log4j);
+    if (!log4j.exists()) throw new IOException("Log4J is missing: " + log4j);
+
+    File jnaUtils = new File(PathManager.getLibPath(), "jna-utils.jar");
+    if (!jnaUtils.exists()) throw new IOException("jna-utils.jar is missing: " + jnaUtils);
+
+    File jna = new File(PathManager.getLibPath(), "jna.jar");
+    if (!jna.exists()) throw new IOException("jna is missing: " + jna);
+
     copyFile(patch, patchCopy, true);
     copyFile(log4j, log4jCopy, false);
+    copyFile(jna, jnaCopy, false);
+    copyFile(jnaUtils, jnaUtilsCopy, false);
 
     int status = 0;
     if (Restarter.isSupported()) {
@@ -154,7 +166,7 @@ public class Main {
                          System.getProperty("java.home") + "/bin/java",
                          "-Xmx500m",
                          "-classpath",
-                         patchCopy.getPath() + File.pathSeparator + log4jCopy.getPath(),
+                         patchCopy.getPath() + File.pathSeparator + log4jCopy.getPath() + File.pathSeparator + jnaCopy.getPath() + File.pathSeparator + jnaUtilsCopy.getPath(),
                          "-Djava.io.tmpdir=" + tempDir,
                          "-Didea.updater.log=" + PathManager.getLogPath(),
                          "-Dswing.defaultlaf=" + UIManager.getSystemLookAndFeelClassName(),