Uninstall an Eclipse plugin when the “Uninstall…”

Question

Sometimes, for some reason, the "Uninstall" button is disabled in Help > About Eclipse > Installation Details (For example, after installing Aptana plugin, which forces the use of an older installer in Eclipse Galileo).

How is it possible to remove these plugins with "Uninstall" disabled ?

Answer 1

• Close eclipse.
• Go to the folder where eclipse is installed .In \plugins folder delete the folders related to a particular plugin.

Answer 2

Try run eclipse as administrator. It worked for me.

Answer 3

Go into "Installation History" tab (in Installation Details), choose a previous state of installation, and click "revert"