Want to remove the send feed back link in Windows 7, then just follow the steps given below,
1.Press Windows logo button + R
2. Type "regedit" and press enter,
3. Navigate to HKEY_CURRENT_USER > Panel > Desktop and on the right side searvh for FeedtoolEnabled and double click on it and change the value 3 to 0.
4. Just logoff, and then logon! The feedback link will be vanished. If you want the link back, then just set the value to 3. That's All!