title: Unable to install the Force.com plugin for eclipse. getting md5 mismatch
body: <p>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:</p>
  
  <p><code>Installing software has encountered a problem. An error occurred while collecting items to be installed</code></p>
  
  <p>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</p>
  
  <p><code>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.</code></p>