Java initialisation error

In one of my computer its running,but if i do in my laptop its not coming some how i initialized but its not initializing.if any body knows please help.its in java:eclipse using Selenium Rc
java.io.FileNotFoundException: C:\Documents%20and%20Settings\ramachandram\workspace\Acttest\bin\Config.properties (The system cannot find the path specified)

at java.io.FileInputStream.open(Native Method)

at java.io.FileInputStream.(FileInputStream.java:120)

at Testconfig.loadConfigProperties(Testconfig.java:32)

at Testconfig.(Testconfig.java:18)

at Testconfig.(Testconfig.java:14)

at Testutils.(Testutils.java:50)

at acttest.setUp(acttest.java:18)

at junit.framework.TestCase.runBare(TestCase.java:128)

at com.thoughtworks.selenium.SeleneseTestCase.runBare(SeleneseTestCase.java:212)

at junit.framework.TestResult$1.protect(TestResult.java:106)

at junit.framework.TestResult.runProtected(TestResult.java:124)

at junit.framework.TestResult.run(TestResult.java:109)

at junit.framework.TestCase.run(TestCase.java:120)

at junit.framework.TestSuite.runTest(TestSuite.java:230)

at junit.framework.TestSuite.run(TestSuite.java:225)

at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)

at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)