While trying to update my Android SDK I am encountering this error when trying to install this particular package:

How do I fix this?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
The problem seems to be that Eclipse, or even the SDK Manager itself, locks the folder. Running android.bat from the tools folder should do the trick.