- Use this Force.com IDE Update site http://www.adnsandbox.com/tools/ide/install/
- Copy org.eclipse.update.ui_3.2.300.v20100512.jar to the eclipse/plugins directory. Get this file from the old version of Eclipse or from this site http://www.java2s.com/Code/Jar/o/Downloadorgeclipseupdateui32300v20100512jar.htm. If this file is missing, we will get the following error message:-
Cannot complete the install because one or more required items could not be found.
Software being installed: Force.com IDE 27.0.0.201302151147 (com.salesforce.ide.feature.feature.group 27.0.0.201302151147)
Missing requirement: Force.com IDE 27.0.0.201302151147 (com.salesforce.ide.feature.feature.group 27.0.0.201302151147) requires 'org.eclipse.update.ui 0.0.0' but it could not be found
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