I\'ve searched for this topic but can\'t seem to find posts that relate exactly to what I am experiencing.
I have a Visual Studio solution that I need to work on, it
Visual Studio is actually quite fast if used properly. For example, I have solution with 45 projects (~600000 loc) that works fine.
It's probably an installed extension that kills the IDE (things like Resharper for example can be memory greedy - disclaimer: I have nothing against Resharper, I use it myself :-).
Here is a link to disable extensions (read also the comments): How to: Disable and Re-enable Visual Studio Tools and Extensions