Hmm.... I have a bit of an issue. I downloaded this mod:
http://forum.kerbalspaceprogram.com/threads/68429-0-24-2-Kerbin-Shuttle-Orbiter-System-v4-09 and I'm now enjoying the following bug: the load button in VAB and SPH does nothing:
I'm running:
Windows 7 64bit
4 gb ram + 4 gb video ram
latest KSP with 3 mods: MechJeb(works), Enhanced Visuals thing(city lights on Kerbin and clouds on some planets) + that Shuttle mod
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Standard KSP does not make it through the load so I have to manually start the 64bit one. Anyway, the parts and shuttles seem to work perfectly.
But here is the problem: when launching a craft I have all the vessels from VAB and SPH showing up and all the ones included in this mod seem to load. But in VAB and SPH themselves, I cant load any vessels. I can build and save them, but clicking on the load button does nothing. KSP does register the click, or at least the button is animated when clicked. The only way to load a craft seems to be launching one and then reverting the flight.
I guess this COULD be because the one or more craft files included have part(s) that I dont have but since no one else seems to have had this problem, I'm not so sure. I also tried to create a new sandbox career and start from scratch but nope. I also started a new one with no craft files at all(manually deleted them from the save folders) to no avail.
The latest thing I've tried is that I downloaded only 3/4 of the mod(leaving space station parts out) to make it lighter... But yet again to no help. I suppose this issue could have a simple solution, but I failed to find help on KSP forums.