EXTRA EXTRA READ ALL ABOUT IT NASA OFFICIAL REPORT UP http://www.nasa.gov/press/2014/october/nasa-s-wallops-flight-facility-completes-initial-assessment-after-orbital-launch/#.VFF5KvnF9z8
Do the following steps: 1. Go into /KSPDIR/GameData/Squad 2. Erase Parts folder. 3. Run patcher. 4. Restart Game. 5. Enjoy single items. Right click Kerbal Space Program on steam Then hit Local Files Then, hit Verify Integrity Done. Reason: They changed Part Config names, so the part.cfg is still there. So this worked for me.