I want to update the ADT in Eclipse. For this i go to Help->CheckforUpdates->I got the following error. How to solve this. Why it's came.please can anybody help me.
Error Window

Eclipse Properties

I want to update the ADT in Eclipse. For this i go to Help->CheckforUpdates->I got the following error. How to solve this. Why it's came.please can anybody help me.
Error Window

Eclipse Properties

first of all install right Android SDK and install on of version (according to your need like 4.0.3).
then continue your upgradation of ADT.