6UR/IE : Client VM fails to start sometimes with default settings

FX runtime build : promoted b42

JDK build : jdk6-b126

Os: winxp/win7
Browser: IE8/IE9
Sometimes on IE with 6ur it has been noticed that client VM fails to start when java console is hidden. I'm not able to see this behavior with other browsers.
Below is server VM trace.

NativeLibLoader: C:\PROGRA~1\Java\jre6\lib\bin\jp2native.dll doesn't exist
NativeLibLoader: trying to load C:\PROGRA~1\Java\jre6\bin\jp2native.dll
  (Succeeded)
NativeLibLoader: C:\PROGRA~1\Java\jre6\lib\bin\jp2iexp.dll doesn't exist
NativeLibLoader: trying to load C:\PROGRA~1\Java\jre6\bin\jp2iexp.dll
  (Succeeded)
NativeLibLoader: C:\PROGRA~1\Java\jre6\lib\bin\deploy.dll doesn't exist
NativeLibLoader: trying to load C:\PROGRA~1\Java\jre6\bin\deploy.dll
  (Succeeded)
IExplorerPlugin.IExplorerPlugin(0x8482c70)
IExplorerPlugin.IExplorerPlugin(1.6.0_27)
IExplorerPlugin.SetClientSite(cAxControl = 0x8482c70, oleClientSite = 0x39d6970,
 scriptDispatch = 0x53a11c)
IExplorerPlugin.SetClientSite: successfully defined namespace variables
IExplorerPlugin.CreateControlWindow(cAxControl = 0x8482c70, hWndParent = 0x1e202
d8, hWndControlWindow = 0x49e02c2)
IExplorerPlugin.SetObjectRects(cAxControl = 0x8482c70, left = -10404, right = -9
988, top = 121, bottom = 434)
IExplorerPlugin.InPlaceActivate(cAxControl = 0x8482c70) entered
IExplorerPlugin.InPlaceActivate(cAxControl = 0x8482c70) exited
IExplorerPlugin.SetObjectRects(cAxControl = 0x8482c70, left = -10404, right = -9
988, top = 121, bottom = 434)
  Attempting to start applet
JVMManager creating JVMInstance for product version 1.6.0.27
JVMManager starting JVMInstance for product version 1.6.0.27
  Command-line arguments:
    Argument 0: -Xbootclasspath/a:C:\PROGRA~1\Java\jre6\lib\deploy.jar;C:\PROGRA
~1\Java\jre6\lib\javaws.jar;C:\PROGRA~1\Java\jre6\lib\plugin.jar
    Argument 1: -Djava.class.path=C:\PROGRA~1\Java\jre6\classes
    Argument 2: -Dsun.awt.warmup=true
    Argument 3: ---
    Argument 4: --
Pipe.cstr: WindowsNamedPipe: server: true; readPipe: jpi2_pid3528_pipe3, readBuf
ferSz: 4096; writePipe: jpi2_pid3528_pipe2, writeBufferSz: 4096
JVMLauncher.start(): now - user.startApplet(): 32746 us
JVMLauncher.processArg[0]: C:\PROGRA~1\Java\jre6\bin\jp2launcher.exe
JVMLauncher.processArg[1]: C:\Program Files\Java\jre6
JVMLauncher.processArg[2]: -D__jvm_launched=1602751210343
JVMLauncher.processArg[3]: -Xbootclasspath/a:C:\PROGRA~1\Java\jre6\lib\deploy.ja
r;C:\PROGRA~1\Java\jre6\lib\javaws.jar;C:\PROGRA~1\Java\jre6\lib\plugin.jar
JVMLauncher.processArg[4]: -Djava.class.path=C:\PROGRA~1\Java\jre6\classes
JVMLauncher.processArg[5]: -Dsun.awt.warmup=true
JVMLauncher.processArg[6]: ---
JVMLauncher.processArg[7]: --
JVMLauncher.processArg[8]: sun.plugin2.main.client.PluginMain
JVMLauncher.processArg[9]: write_pipe_name=jpi2_pid3528_pipe3,read_pipe_name=jpi
2_pid3528_pipe2
JVMLauncher.processArgs total len: 410, custArgsMaxLen: 8091
JVMInstance for 1.6.0.27 sending start applet message
  isRelaunch: false
  Parameters:
    java_status_events=true
    jnlp_href=SimpleMixedCode.jnlp
    separate_jvm=true
    javafx_version=2.0+
    width=416
    code=dummy.class
    type=application/x-java-applet
    java_version=1.6.0_27
    id=sampleApp
    javafx_applet_id=sampleApp
    height=313
    scriptable=true
    name=sampleApp
    codebase=http://sqeweb.us.oracle.com/deployment1/deployment_6_UR_int_exec_ws
/6/deployment/src/javafx/fxfeaturesTest/fxfeaturesTest/html/
JVMInstance.registerApplet for applet ID 1, plugin sun.plugin2.main.server.IExpl
orerPlugin@1f630dc
JVMManager: applet launch (ID [AppletID 1]) succeeded
  Received applet ID [AppletID 1]
java.lang.InterruptedException
Terminating Java Plug-In Pipe Worker Thread (Server-Side) due to exception:
at java.lang.Object.wait(Native Method)

        at sun.plugin2.message.Queue.waitForMessage(Unknown Source)
        at sun.plugin2.message.Pipe.receive(Unknown Source)
        at sun.plugin2.main.server.JVMInstance$WorkerThread.run(Unknown Source)
java.io.IOException: Error 0 reading from named pipe, numRead 0, ReadFile ts: 16
02751946304, now ts: 1602752778493, dT 832189
        at sun.plugin2.ipc.windows.WindowsNamedPipe.read(Unknown Source)
        at sun.plugin2.message.transport.NamedPipeTransport$SerializerImpl.read(
Unknown Source)
        at sun.plugin2.message.transport.NamedPipeTransport$SerializerImpl.readB
yte(Unknown Source)
        at sun.plugin2.message.AbstractSerializer.readInt(Unknown Source)
        at sun.plugin2.message.transport.SerializingTransport.read(Unknown Sourc
e)
        at sun.plugin2.message.Pipe$WorkerThread.run(Unknown Source)JVM instance
 for 1.6.0.27 exited

JVMInstance.unregisterApplet for applet ID 1
  LiveConnectSupport.shutdown(1)
IExplorerPlugin.SetObjectRects(cAxControl = 0x8482c70, left = -10404, right = -9
988, top = 121, bottom = 434)