Android – conflicting dependency when trying to install ADT plugin into eclipse

Here are my specs:
Eclipse: 3.5.2
ADT plugin: 11.0.0
PC: Windows 7

So far, I've installed the Android SDK and Eclipse. However when I attempt to install the ADT plugin into eclipse I get the following error:

Cannot complete the install because of a conflicting dependency.
  Software being installed: Android Development Tools

11.0.0.v201105251008-128486 (com.android.ide.eclipse.adt.feature.group
11.0.0.v201105251008-128486)
Software currently installed: Eclipse SDK 3.5.2.M20100211-1343
(org.eclipse.sdk.ide
3.5.2.M20100211-1343)
Only one of the following can be installed at once:
Core Runtime 3.6.0.v20100505 (org.eclipse.core.runtime
3.6.0.v20100505)
Core Runtime 3.5.0.v20090525 (org.eclipse.core.runtime
3.5.0.v20090525)
Cannot satisfy dependency:
From: Android Development Tools 11.0.0.v201105251008-128486
(com.android.ide.eclipse.adt.feature.group
11.0.0.v201105251008-128486)
To: org.eclipse.wst.sse.core 0.0.0
Cannot satisfy dependency:
From: EMF Common 2.6.0.v20100614-1136 (org.eclipse.emf.common
2.6.0.v20100614-1136)
To: bundle org.eclipse.core.runtime [3.6.0,4.0.0)
Cannot satisfy dependency:
From: EMF Common 2.6.0.v20100914-1218 (org.eclipse.emf.common
2.6.0.v20100914-1218)
To: bundle org.eclipse.core.runtime [3.6.0,4.0.0)
Cannot satisfy dependency:
From: Eclipse Platform 3.5.2.R35x_v20100210-0800-9hEiFzmFst-TiEn9hNYgDWg1XN8ulH_JvCNGB (org.eclipse.platform.feature.group
3.5.2.R35x_v20100210-0800-9hEiFzmFst-TiEn9hNYgDWg1XN8ulH_JvCNGB)
To: org.eclipse.rcp.feature.group
[3.5.2.R35x_v20100119-9SA0FxwFnoCU5XxWItFdXXb27BA6]
Cannot satisfy dependency:
From: Eclipse RCP 3.5.2.R35x_v20100119-9SA0FxwFnoCU5XxWItFdXXb27BA6
(org.eclipse.rcp.feature.group
3.5.2.R35x_v20100119-9SA0FxwFnoCU5XxWItFdXXb27BA6)
To: org.eclipse.core.runtime [3.5.0.v20090525]
Cannot satisfy dependency:
From: Eclipse Project SDK 3.5.2.R35x_v20100119-7Q7bARBPWUHM_CSjz-8bF1f7_n8rLSyWHoiKoyxBQSGT4
(org.eclipse.sdk.feature.group
3.5.2.R35x_v20100119-7Q7bARBPWUHM_CSjz-8bF1f7_n8rLSyWHoiKoyxBQSGT4)
To: org.eclipse.platform.feature.group
[3.5.2.R35x_v20100210-0800-9hEiFzmFst-TiEn9hNYgDWg1XN8ulH_JvCNGB]
Cannot satisfy dependency:
From: Eclipse SDK 3.5.2.M20100211-1343 (org.eclipse.sdk.ide
3.5.2.M20100211-1343)
To: org.eclipse.sdk.feature.group
[3.5.2.R35x_v20100119-7Q7bARBPWUHM_CSjz-8bF1f7_n8rLSyWHoiKoyxBQSGT4]
Cannot satisfy dependency:
From: Structured Source Model 1.1.500.v201006020308 (org.eclipse.wst.sse.core
1.1.500.v201006020308)
To: bundle org.eclipse.emf.common [2.4.0,3.0.0)
Cannot satisfy dependency:
From: Structured Source Model 1.1.502.v201008311901 (org.eclipse.wst.sse.core
1.1.502.v201008311901)
To: bundle org.eclipse.emf.common [2.4.0,3.0.0)
Cannot satisfy dependency:
From: Structured Source Model 1.1.504.v201102160550 (org.eclipse.wst.sse.core
1.1.504.v201102160550)
To: bundle org.eclipse.emf.common [2.4.0,3.0.0)

Any suggestions?
I've seen a few posts about re-installing eclipse, but that's something i'm not comfortable with doing because it was such a pain to find the 64-bit version in the first place.

If you want to suggest re-installing eclipse, i'd greatly appreciate it if you found the download link for the windows 64-bit version. thx 🙂

or if you know how to fix this error directly that would be really helpful 😀