Just clean your Login history from Steam.
Go to your Steam folder -> then in Userdata -> then leave it open and to into Steam and look at your tradelink.
Example:
[Only registered and activated users can see links. Click Here To Register...]53787055&token=1yVynX1K
^Look for the red colored number. This is your account! This folders in the Userdata folder are all numbered. Delete every folder but yours (it has the same number as in the tradelink.
Restart Steam after and make a fresh login. Trustfactor might also be based on commends (but thats not confirmed).
GL mate