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I dare say this is not a SQL Developer issue.
Looks like the shortcut you have created to the BAT file on your windows machine is pointing to a destination that does not exist?
Right click the shortcut and check its properties, then navigate to where it expects the BAT file to be... it wont be there however (so has it been moved?).
Thanks for the reply Toonie.
Meanwhile I tried another approach to download and install SQL developer separately and run it. It worked