I’m pretty sure I’ve just accidently turned something on / off… but what, I don’t know! Can anyone tell me why when I’m stepping through my code and I go to inspect one of my objects they all look like this:

I’m only getting this behaviour on 2 solutions, any new solutions that I create are fine. Nobody else on my team is having issues like this so I’m guessing it’s a setting that’s only been applied locally to me. I also can’t use the immediate window properly; for example, if I have an object Foo that’s in scope and it has a property Bar; I type Foo.Bar into the immediate window and I’m told Bar doesn’t exist, even though it does (see next image):

I’ve been through the motions of deleting my workspace and getting the latest of everything from TFS, installing all updates and patches to Visual Studio, resetting all Visual Studio user settings, turning off all (only have resharper) addons etc.
Does anyone know what I’ve done?
OK so if anyone ever comes across this and has a similar issue I had to do a reinstall of VS. I probably didn’t need to but I couldn’t find any answers anywhere else and didn’t have the time for an MS support call.