Strange behavior in edit mode or i am missing something

I downloaded model from blendswap, then copypasted it to my new scene, removed half, used mirror modifier, then when i move vertices with proportional edit ON, they start to go crazy:eek:

http://www.pasteall.org/blend/40542
maybe i am missing somthing:confused:

Attachments



Don’t have X-Mirror and Topology Mirror enabled at the same time


Yeah, thanks!:yes: