So this is what is happening and have no idea how too fix it, i fixed it once and cant remebr how, sorry i dont have a log i have no idea how too generate a log sorry. bigger pic http://picpaste.com/my_problom-5WQRkKNH.png
i need some help im sure someone has the answer for this issue. when i attempt to snap my engines onto a fuel tank or any object the node disappears and then permanently glues its self to that part and is translucent and unremovable i was able too fix this before but i cant remember how. HELP PLEASE had too do a clean install