I have uninstalled Skype (for unknown reasons it has bad memory leak on Windows 8 Consumer Preview) and I still get the red icon.
However this is interesting; I can run WampServer 2.2D 32-bit on Windows 8 Consumer Preview 64-bit.
I am not sure if I'm missing out on much, but I will tr this out for now. I just have a few projects to bang through. (ugh, yay, reconfiguring mysql lol)
I will post a response if I run into any more issues.