I have encountered the error on SQL Server 2008 R2 where Report Builder 3 fails to load with error
Microsoft.ReportingServices.ComponentLibrary.Controls.dll, has a different computed hash than specified in manifest.
As described in this SQL Release Services blog post, this problem should be fixed by uninstalling SP3, uninstalling SP2, then re-installing SP3.
However I can't seem to uninstall SP3. When I navigate to Programs and Features -> View Installed Updates, click on SQL Server SP3, and choose Uninstall, I get a wizard window that looks like this:
There is no way to proceed. How do I move forward with this issue so that my users can get back to using Report Builder?