An error occurred while collecting items to be installed

Question

When I tried to update my Android SDK, I got the following errors. What should I do?

An error occurred while collecting items to be installed
session context was         


        

Answer 1

Try 1)changing "https:" to "http:" or vise versa 2)Uncheck “Contact all update sites during install to find required software”

If both the solutions don't work then manually update the ADT :: 1) Uninstall ADT using the link 2) Reinstall the ADT by Help -> Install New Software