I tried install new software on eclipse from "Web, XML, and Java EE Development" with this path
http://download.eclipse.org/releases/galileo
I take this error while my proccess
Cannot complete the install because of a conflicting dependency.
Software being installed: Eclipse Web Developer Tools 3.1.1.v200908120400-7R77FStEVw2z07WtDz-OZrhL5C-3 (org.eclipse.wst.web_ui.feature.feature.group 3.1.1.v200908120400-7R77FStEVw2z07WtDz-OZrhL5C-3)
Software currently installed: Eclipse Platform 3.7.0.I20110613-1736 (org.eclipse.platform.ide 3.7.0.I20110613-1736)
Only one of the following can be installed at once:
Equinox Provisioning Core 2.0.3.R36x_v20110111 (org.eclipse.equinox.p2.core 2.0.3.R36x_v20110111)
Equinox Provisioning Core 2.0.2.R36x_v20100804 (org.eclipse.equinox.p2.core 2.0.2.R36x_v20100804)
Equinox Provisioning Core 2.1.1.dist (org.eclipse.equinox.p2.core 2.1.1.dist)
Equinox Provisioning Core 1.0.100.v20090520-1905 (org.eclipse.equinox.p2.core 1.0.100.v20090520-1905)
Equinox Provisioning Core 2.0.0.v20100510 (org.eclipse.equinox.p2.core 2.0.0.v20100510)
Cannot satisfy dependency:
From: Equinox p2 Core Function 1.0.1.dist-8291FXcFLhV8CJ871602A41 (org.eclipse.equinox.p2.core.feature.feature.group 1.0.1.dist-8291FXcFLhV8CJ871602A41)
To: org.eclipse.equinox.p2.core [2.1.1.dist]
Cannot satisfy dependency:
From: Equinox p2 Provisioning for IDEs. 2.1.2.dist-6-Bk8lt6MLqLsEf6-RFpFIpRdhQG (org.eclipse.equinox.p2.user.ui.feature.group 2.1.2.dist-6-Bk8lt6MLqLsEf6-RFpFIpRdhQG)
To: org.eclipse.equinox.p2.core.feature.feature.group [1.0.1.dist-8291FXcFLhV8CJ871602A41]
Cannot satisfy dependency:
From: Eclipse Platform 3.7.0.I20110613-1736 (org.eclipse.platform.ide 3.7.0.I20110613-1736)
To: org.eclipse.equinox.p2.user.ui.feature.group [2.1.2.dist-6-Bk8lt6MLqLsEf6-RFpFIpRdhQG]
Cannot satisfy dependency:
From: org.eclipse.wst.server.discovery 1.0.1.v20100210
To: bundle org.eclipse.equinox.p2.core [1.0.100,2.0.0)
Cannot satisfy dependency:
From: WST Server UI 3.1.1.v20090727b-7B3DPAtJZRZxULQRALIM4256 (org.eclipse.wst.server_ui.feature.feature.group 3.1.1.v20090727b-7B3DPAtJZRZxULQRALIM4256)
To: org.eclipse.wst.server.discovery [1.0.1.v20100210]
Cannot satisfy dependency:
From: Eclipse Web Developer Tools 3.1.1.v200908120400-7R77FStEVw2z07WtDz-OZrhL5C-3 (org.eclipse.wst.web_ui.feature.feature.group 3.1.1.v200908120400-7R77FStEVw2z07WtDz-OZrhL5C-3)
To: org.eclipse.wst.server_ui.feature.feature.group [3.1.1.v20090727b-7B3DPAtJZRZxULQRALIM4256] Equinox Provisioning Core 1.0.101.R35x_v20090819 (org.eclipse.equinox.p2.core 1.0.101.R35x_v20090819)
What can I do for this situation ?