You may get Access is denied error message when installing any package in Android SDK in Windows 7.
Error message can be like:
File not found: C:\Program Files (x86)\Android\android-sdk\temp\compatibility_r01.zip (Access is denied)
Reason for Access denied error message is, normal users are not allowed to create and unzip files.
Solution:
Right Click Android SDK and run as administrator.
You should now be able to install any package in Android SDK.
Thanks a ton, i was getting so annoyed, it was as simple as that. hahah, thanks again bud. 🙂