I've spent a couple of hours today trying to get Evolution to work. It starts, gets new mail, then has errors that make it unusable. Looks like I'm deep into this bug:
It's been open for over 2 years with no resolution.
I found another broke thing, VirtualBox won't work. It seems to start, but then trying to open a VM it says "VirtualBoxKernel driver not installed." etc. I thought I'd run Outlook inside a VM to at least get mail while I puzzle out the Evolution problems, but no joy here either...
Looking back over this thread, I sound pretty negative, but really, the OS is running well overall. I really don't want to do a full reinstall, it's take quite a while to get my software and configuration to where it is today, and I hate to lose all of that.