I am trying to install force.com plugin in eclipse but every time it gives me a error

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An error occurred while collecting items to be installed

session context was:(profile=epp.package.java, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).

Problems downloading artifact: osgi.bundle,com.salesforce.ide.api,24.0.0.201202291629.

MD5 hash is not as expected. Expected: 7251ab037ae632a5a9835c7c07210451 and found 8c7e6d7546fcba86d6f73baca118b896.

Problems downloading artifact: osgi.bundle,com.salesforce.ide.core,24.0.0.201202291629.

MD5 hash is not as expected. Expected: 44db36699ca7fdd38917fced4e63c3b3 and found a272621d18edfe9be7ee1f36c69fee0a.

Problems downloading artifact: osgi.bundle,com.salesforce.ide.documentation,24.0.0.201202291629.

MD5 hash is not as expected. Expected: 6d87eb2e76e7e19f7b709682e5272dfc and found 47547a9904d916cd1304f209cd4c262c.

Problems downloading artifact: osgi.bundle,com.salesforce.ide.ui.editors,24.0.0.201202291629.

MD5 hash is not as expected. Expected: ff45a840737d9bef14347ce6f5b5daa4 and found 6a27945c28562fc2568e51f9a16bc976.

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I have tried to install it eclipse 3.6 and 3.7 SR1 both. is anyone else also facing same issue?

and is there any workaround to come out of this problem?