This bug is for failure when verify 6947403, then java.lang.UnsatisfiedLinkError: RegOpenKey happened:
Install 64 bit jre 1.5.0 (I used 1.5.0_22), and latest 1.7.0 64 bit jre.
from any directory other than jre/bin type: javaws http://web-east.east/www/tests/javaws/generic/hello/hello15.jnlp.

If error dialog is shown bug is still there.

Following is the exceptions:
java.lang.UnsatisfiedLinkError: RegOpenKey
at com.sun.deploy.association.utility.WinRegistryWrapper.RegOpenKey(Native Method)
at com.sun.deploy.association.utility.WinRegistryWrapper.WinRegQueryValueEx(Unknown Source)
at com.sun.deploy.config.WinPlatform.getLocalStorageDir(Unknown Source)
at com.sun.deploy.config.Config.getLocalStorageDir(Unknown Source)
at com.sun.deploy.config.Config.getDefaultCacheDirectory(Unknown Source)
at com.sun.deploy.config.DefaultConfig.init(Unknown Source)
at com.sun.deploy.config.DefaultConfig.<init>(Unknown Source)
at com.sun.deploy.config.VerboseDefaultConfig.<init>(Unknown Source)
at com.sun.deploy.config.VerboseDefaultConfig.getDefaultConfig(Unknown Source)
at com.sun.deploy.config.Config.get(Unknown Source)
at com.sun.javaws.Main.main(Unknown Source)