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bash-3.00# ./navdiag_linux.bin 
Preparing to install...
Extracting the JRE from the installer archive...
Unpacking the JRE...
tar: Skipping to next header
tar: Archive contains obsolescent base-64 headers
tar: Error exit delayed from previous errors
The included VM could not be unarchived (TAR). Please try to download
the installer again and make sure that you download using 'binary'
mode.  Please do not attempt to install this currently downloaded copy.