You have to embed a manifest in newer vis_milk2.dll versions for it to work.
The one I posted is from a fresh Winamp install with the manifest added.
You can use CFF Explorer, Resource Tweaker etc. to do it yourself.
Resource type 24, ID 2
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC90.CRT" version="9.0.21022.8" processorArchitecture="x86" publicKeyToken="1fc8b3b9a1e18e3b"></assemblyIdentity>
</dependentAssembly>
</dependency>
</assembly>