You need to repair, reinstall or uninstall\reinstall all or some of the components that Vault Server 2012 uses and need to know what those components are.
Solution
The following list all of the components that are installed by Vault Server 2011:
MSI Runtime 4.5 ( installed by framework)
.NET Framework Runtime 3.5 SP1
.NET Framework Runtime 3.5 SP1 Language Pack
Microsoft WSE 3.0 Runtime
Microsoft SQL Server 2008 Express
Microsoft MSXML 6
When uninstalling the components, do so in this order,
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