Force.com Plugin Installation Error Resolution for Eclipse

Problem :

I'm trying to install the Force.com IDE plugin. I found it, it started downloading, but once the plugin goes to install I get the following error at about 45% completion:

Installing software has encountered a problem. An error occurred while collecting items to be installed

When I click details about this error, I get the following. Anyone know how to fix this and get the plugin installed? Thanks in advance

An error occurred while collecting items to be installed session context was:(profile=SDKProfile, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=). Problems downloading artifact: osgi.bundle,com.salesforce.ide.api,23.0.2.201201091635. MD5 hash is not as expected. Expected: 97a6329f82c422a61e9b1bc28be7cace and found ef8b1c2b63c7d04acaa6bf41f4b8570c







Possible Resolution :

Download plugin jar files manually and put them into eclipse installation directory. The problem was in corrupted (partial) download of jars by eclipse.

1. Download all jars of particular needed version fromhttp://www.adnsandbox.com/tools/ide/install/features/ andhttp://www.adnsandbox.com/tools/ide/install/plugins/ Make sure to use some download manager to ensure files integrity!
2. Then put them to /features/ and /plugins/ folders of your eclipse installation directory accordingly.
3. You can use firefox plugin 'download them all' to download all jar files in one click.
4. Make sure you're running Eclipse as an Administrator (right click, select "Run as Administrator") when installing plugins.
5. Run Eclipse as before and open Force.com Perspective from Windows -->Open Perspective-->Force.com