Error Report

Cannot complete the install because of a conflicting dependency.
Software being installed: Eclipse Moonrise UI Theme 0.8.9.201404052318 (com.github.eclipseuitheme.themes.feature.feature.group 0.8.9.201404052318)
Software currently installed: Eclipse IDE for Java EE Developers 1.4.2.20120213-0813 (epp.package.jee 1.4.2.20120213-0813)
Only one of the following can be installed at once:
Core Runtime 3.8.0.v20120912-155025 (org.eclipse.core.runtime 3.8.0.v20120912-155025)
Core Runtime 3.7.0.v20110110 (org.eclipse.core.runtime 3.7.0.v20110110)
Cannot satisfy dependency:
From: Eclipse Moonrise UI Theme 0.8.9.201404052318 (com.github.eclipseuitheme.themes.feature.feature.group 0.8.9.201404052318)
To: org.eclipse.e4.ui.css.swt.theme 0.0.0
Cannot satisfy dependency:
From: Eclipse IDE for Java EE Developers 1.4.2.20120213-0813 (epp.package.jee 1.4.2.20120213-0813)
To: org.eclipse.epp.package.jee.feature.feature.group [1.4.2.20120213-0813]
Cannot satisfy dependency:
From: Eclipse CSS SWT Theme Support 0.9.4.v20130123-162658 (org.eclipse.e4.ui.css.swt.theme 0.9.4.v20130123-162658)
To: bundle org.eclipse.core.runtime 3.8.0
Cannot satisfy dependency:
From: Java EE IDE Feature 1.4.2.20120213-0813 (org.eclipse.epp.package.jee.feature.feature.group 1.4.2.20120213-0813)
To: org.eclipse.platform.feature.group [3.7.2.v20120207-1839-9gF7UHPDFxGjd-PqDr2jX_4yKaumkoHTz04_q-q]
Cannot satisfy dependency:
From: Eclipse Platform 3.7.2.v20120207-1839-9gF7UHPDFxGjd-PqDr2jX_4yKaumkoHTz04_q-q (org.eclipse.platform.feature.group 3.7.2.v20120207-1839-9gF7UHPDFxGjd-PqDr2jX_4yKaumkoHTz04_q-q)
To: org.eclipse.rcp.feature.group [3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272]
Cannot satisfy dependency:
From: Eclipse RCP 3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272 (org.eclipse.rcp.feature.group 3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272)
To: org.eclipse.core.runtime [3.7.0.v20110110]