Ошибка Android SDK и AVD Manager: Файл не найден: C: \ Program Files (x86) \ Android \ android -sdk \ temp \

Изначально я установил только Android API 12. Но теперь я пытаюсь установить другие доступные пакеты, и отображается:

Downloading SDK Platform Android 3.0, API 11, revision 1
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-3.0_r01-linux.zip (Access is denied)
Downloading SDK Platform Android 2.3.3, API 10, revision 1
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-2.3.3_r01-linux.zip (Access is denied)
Downloading SDK Platform Android 2.2, API 8, revision 2
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-2.2_r02-windows.zip (Access is denied)
Downloading SDK Platform Android 2.1, API 7, revision 2
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-2.1_r02-windows.zip (Access is denied)
Downloading SDK Platform Android 1.6, API 4, revision 3
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-1.6_r03-windows.zip (Access is denied)
Downloading SDK Platform Android 1.5, API 3, revision 4
File not found: C:\Program Files (x86)\Android\android-sdk\temp\android-1.5_r04-windows.zip (Access is denied)
Downloading Samples for SDK API 12, revision 1
File not found: C:\Program Files (x86)\Android\android-sdk\temp\samples-3.1_r01-linux.zip (Access is denied)
Downloading Samples for SDK API 11, revision 1
File not found: C:\Program Files (x86)\Android\android-sdk\temp\samples-3.0_r01-linux.zip (Access is denied)

В чем проблема и как ее решить ?