That bug work on a lot of servers .... Listen :
Augment only weapons 1 handed ( As , Am , etc) .. when you take 1 augment ( active or pasive) .. change that weapon 1 handed with 1 bow.. if it was a active skill .. will remain on active skills.. and dont now that weapon in hand.. if is pasive will remain at pasive skills.. untill rr.. :)
i dont know if i describe perfectly .. but work on a lot of servers :)