i have problem to load api and key

Trade Bitcoin automatically and manually on btc-e.com using trade API

Status: Abandoned

Brought to you by: samimisms

Milestone: 1.0

Status: open

Owner: nobody

Labels: None

Updated: 2017-01-07

Created: 2017-01-07

Creator: mike

Private: No

show me in api info window:
"could not load file or assembly system web" version 4.0.0.0

What is wrong i must top up usd balance or what api could work without money show 0
please help