Selenium Error

gistfile1.txt

15:15:25.348 INFO - Executing: [new session: {platform=ANY, browserName=firefox, version=}] at URL: /session)
15:15:28.876 INFO - Executing: org.openqa.selenium.remote.server.handler.Status@1e1c5dd1 at URL: /status)
15:15:28.877 INFO - Done: /status
15:15:32.073 INFO - Done: /session
15:15:33.880 INFO - Executing: org.openqa.selenium.remote.server.handler.Status@40d6dec at URL: /status)
15:15:33.881 INFO - Done: /status
15:15:37.480 INFO - Executing: org.openqa.selenium.remote.server.handler.GetSessionCapabilities@7f5c693a at URL: /session/1331825955017)
15:15:37.481 INFO - Done: /session/1331825955017
15:15:37.640 INFO - Executing: [get: http://www.uship.com/logout.aspx] at URL: /session/1331825955017/url)
15:15:38.883 INFO - Executing: org.openqa.selenium.remote.server.handler.Status@7e83fff9 at URL: /status)
15:15:38.884 INFO - Done: /status
15:15:41.389 INFO - Done: /session/1331825955017/url
15:15:41.397 INFO - Executing: [find element: By.id: anon-site] at URL: /session/1331825955017/element)
15:15:41.464 INFO - Done: /session/1331825955017/element
15:15:41.472 INFO - Executing: [find element: By.selector: #siteFrance a] at URL: /session/1331825955017/element)
15:15:41.478 INFO - Done: /session/1331825955017/element
15:15:41.488 INFO - Executing: [mousemove: 0 false] at URL: /session/1331825955017/moveto)
15:15:41.569 WARN - Exception thrown
org.openqa.selenium.InvalidElementStateException: Cannot perform native interaction: Could not load native events component.
Command duration or timeout: 81 milliseconds
Build info: version: '2.20.0', revision: '16008', time: '2012-02-27 19:03:04'
System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_27-ea'
Driver info: driver.version: RemoteWebDriver
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:170)
        at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:123)
        at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:438)
        at org.openqa.selenium.remote.ExecuteMethod.execute(ExecuteMethod.java:47)
        at org.openqa.selenium.remote.RemoteMouse.mouseMove(RemoteMouse.java:89)
        at org.openqa.selenium.support.events.internal.EventFiringMouse.mouseMove(EventFiringMouse.java:41)
        at org.openqa.selenium.remote.server.handler.interactions.MouseMoveToLocation.call(MouseMoveToLocation.java:58)
        at org.openqa.selenium.remote.server.handler.interactions.MouseMoveToLocation.call(MouseMoveToLocation.java:1)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: org.openqa.selenium.remote.ErrorHandler$UnknownServerException: Cannot perform native interaction: Could not load native events component.
Build info: version: '2.20.0', revision: '16008', time: '2012-02-27 19:03:04'
System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_27-ea'
Driver info: driver.version: unknown
        at <anonymous class>.generateErrorForNativeEvents(file:///C:/Users/rex/AppData/Local/Temp/anonymous6768650654118541937webdriver-profile/extensions/fxdriver@googlecode.com/components/driver_component.js:10431)
        at <anonymous class>.<anonymous method>(file:///C:/Users/rex/AppData/Local/Temp/anonymous6768650654118541937webdriver-profile/extensions/fxdriver@googlecode.com/components/driver_component.js:10471)
        at <anonymous class>.<anonymous method>(file:///C:/Users/rex/AppData/Local/Temp/anonymous6768650654118541937webdriver-profile/extensions/fxdriver@googlecode.com/components/command_processor.js:10529)
        at <anonymous class>.<anonymous method>(file:///C:/Users/rex/AppData/Local/Temp/anonymous6768650654118541937webdriver-profile/extensions/fxdriver@googlecode.com/components/command_processor.js:10534)
        at <anonymous class>.<anonymous method>(file:///C:/Users/rex/AppData/Local/Temp/anonymous6768650654118541937webdriver-profile/extensions/fxdriver@googlecode.com/components/command_processor.js:10482)
15:15:41.577 WARN - Exception: Cannot perform native interaction: Could not load native events component.
Command duration or timeout: 81 milliseconds
Build info: version: '2.20.0', revision: '16008', time: '2012-02-27 19:03:04'
System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_27-ea'
Driver info: driver.version: RemoteWebDriver