There is a MAJOR bug in JavaRa - it erroneously trashes the JavaScript keys in the Windows Registry. Fix/Workaround: If you have already downloaded JavaRa, unzip the contents and manually edit the file JavaRa.def. In the current download this file is dated 02-May-2011. You must remove the following lines: 348 through 353, BEFORE running JavaRa The lines to be removed contain the following: HKEY_CLASSES_ROOT|JavaScript HKEY_CLASSES_ROOT|JavaScript Author HKEY_CLASSES_ROOT|JavaScript1