Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.

For this we have update IE Driver with latest.
And check what is your operating system whether 32 bit or 64 bit.

The below one is 64 bit one..

https://code.google.com/p/selenium/downloads/detail?name=IEDriverServer_x64_2.33.0.zip&can=2&q=

Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure. Build info: version: '2.32.0', revision: '6c40c187d01409a5dc3b7f8251859150c8af0bcb', time: '2013-04-09 10:39:28' System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_21' Driver info: driver.version: RemoteWebDriver
org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:548)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:216)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:111)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:129)
at com.selenium.test.Utils.init(Utils.java:169)
at com.selenium.test.DriverScript.setUp(DriverScript.java:43)
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java.net.SocketInputStream.read(SocketInputStream.java:189)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:166)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:90)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:281)
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:92)
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:62)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:712)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:517)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
at org.openqa.selenium.remote.HttpCommandExecutor.fallBackExecute(HttpCommandExecutor.java:316)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:295)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:527)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:216)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:111)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:129)
at com.selenium.test.Utils.init(Utils.java:169)
at com.selenium.test.DriverScript.setUp(DriverScript.java:43)
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