Index: main/remoting/src/main/java/hudson/remoting/RemoteClassLoader.java
===================================================================
--- main/remoting/src/main/java/hudson/remoting/RemoteClassLoader.java	(revision 26080)
+++ main/remoting/src/main/java/hudson/remoting/RemoteClassLoader.java	(working copy)
@@ -258,7 +258,20 @@
 
 
     private File makeResource(String name, byte[] image) throws IOException {
-        File tmpFile = File.createTempFile("hudson-remoting", "");
+    	//work around sun bug 6325169 on windows
+    	//see http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6325169
+        File tmpFile = null;
+        IOException lastException = null;
+        for(int i=0; i<100 && tmpFile==null; i++) {
+        	try {
+        		tmpFile = File.createTempFile("hudson-remoting", "");
+        	}catch(IOException e) {
+        		lastException = e;
+        	}
+        }
+        if(tmpFile == null) {
+        	throw new IOException("Failed hard at creating a temp directory", lastException);
+        }
         tmpFile.delete();
         File resource = new File(tmpFile, name);
         resource.getParentFile().mkdirs();