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I am facing a small issue and need help on it.
I had to re-install Windows on my laptop. After that I installed Java, extracted Eclipse and set the environment variables, namely Path to the Java bin directory and also created a JAVA_HOME variable and set it.
Every time I try opening eclipse.exe I get the following error.
The eclipse executable launcher was unable to locate its companion launcher jar.
What am I missing here?
The most common reason for this message seems to be unzipping the eclipse zip file wrongly (for instance unzipping without recreating the directory structure). Therefore please unzip the zipped Eclipse again with a good unzip tool (like 7-zip) and make sure that the necessary sub directories are created during the extraction.
Also make sure that the path to the unzipped Eclipse does not get very long. I’ve seen cases where Eclipse was unzipped into a deeply nested directory structure (to put it at some place into an SVN repository) and that led to the same error message.
If that still doesn’t work, you may try launching eclipse.exe with administrative rights. That should not really be necessary, but maybe your access rights are somehow broken after the re-installation of Windows.