I downloaded Minecraft 1.6.2 and the perform minecraft and when I opened it, it gave this message:
"Bootstrap started
FATAL ERROR: java.lang.NoSuchFieldError: address
at java.net.InetAddress.init(Native Method)
at java.net.InetAddress.<clinit>(Unknown Source)
at sun.security.provider.SeedGenerator$1.run(Unknown Source)
at sun.security.provider.SeedGenerator$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at sun.security.provider.SeedGenerator.getSystemEntropy(Unknown Source)
at sun.security.provider.SecureRandom$SeederHolder.<clinit>(Unknown Source)
at sun.security.provider.SecureRandom.engineNextBytes(Unknown Source)
at java.security.SecureRandom.nextBytes(Unknown Source)
at java.security.SecureRandom.next(Unknown Source)
at java.util.Random.nextInt(Unknown Source)
at sun.security.ssl.SSLContextImpl.engineInit(Unknown Source)
at sun.security.ssl.SSLContextImpl$DefaultSSLContext.<init>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at java.security.Provider$Service.newInstance(Unknown Source)
at sun.security.jca.GetInstance.getInstance(Unknown Source)
at sun.security.jca.GetInstance.getInstance(Unknown Source)
at javax.net.ssl.SSLContext.getInstance(Unknown Source)
at javax.net.ssl.SSLContext.getDefault(Unknown Source)
at javax.net.ssl.SSLSocketFactory.getDefault(Unknown Source)
at javax.net.ssl.HttpsURLConnection.getDefaultSSLSocketFactory(Unknown Source)
at javax.net.ssl.HttpsURLConnection.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.<init>(Unknown Source)
at sun.net.www.protocol.https.Handler.openConnection(Unknown Source)
at java.net.URL.openConnection(Unknown Source)
at net.minecraft.bootstrap.Downloader.getConnection(Downloader.java:151)
at net.minecraft.bootstrap.Downloader.run(Downloader.java:46)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:80)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:367)

Please fix the error and restart."