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Eclipse won't start - what to do?

  • Feb 02, 2026
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For the programming in Java, the Eclipse program is essential. The Tool does not start, however, it may be due to an outdated Version of Java. In this practice tip, we have other solutions for you.

Eclipse won't start – it's can be'

With the following tips, you ensure that Eclipse to work properly:
  • In order to be able to use Eclipse without a problem, Java needs to be up to date. The latest Version can be found in our Download Portal.
  • In addition, you should make sure that you have the latest Version of Eclipse installed on your PC have.
  • In many cases, it can help if you install Java and Eclipse, new. The Uninstall of both services helps you the free Tool Revo Uninstaller.
  • Install the Tool and you are looking for in the list of installed programs to "Eclipse" and "Java" and double-click the entries. Then select "Advanced" as the uninstall method.
  • First of all, you need to uninstall both of these Tools normal. In connection Revo Uninstaller scans for leftover files and Registry entries. This you need to remove with the "Highlight all" and "Delete" from the PC.
  • After that, you can install both Tools again and there should be no errors anymore.
Eclipse does not start

Other solutions: Eclipse does not start

  • Generally speaking, it can help if you run Eclipse as an Administrator. You right-click on the shortcut and select "run As Administrator".
  • You should also make sure that Eclipse is not blocked by your Firewall or anti-virus program. Turn off both services briefly.
  • If it is, we declare to you, such as your Firewall, add an exception and the program with your anti-virus scanner allow.
This practical tip is based on Revo Uninstaller 1.95 Windows 7. You can't solve the Problem, you will find in the next practice tip with the 3 best Eclipse-Alternatives for Download.

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