After running windows update and getting These Updates:

Internet Explorer 11 for Windows 7 for x64-based Systems
Installation date: ‎11/‎11/‎2013 13:35

Definition Update for Microsoft Security Essentials - KB2310138 (Definition 1.161.1874.0)
Installation date: ‎11/‎11/‎2013 13:35

  My computer had me restart to finish installing updates. Once I'd done that, SkyDrive crashes on start up. I tried uninstalling and re-installing it... but even the installer crashes. ;?