Android Studio can't download packages -


i can't start android studio after installing it, error:

sys-img-x68-addon-google_apis-google-21, extra-android-m2repository , 3 more sdk components not installed

and log:

android sdk installed c:\users\vincent\appdata\local\android\sdk refresh sources:   fetched add-ons list   refresh sources  installing archives:   preparing install archives   download finished wrong size. expected 159505060 bytes, got 1527 bytes.   download finished wrong size. expected 1848028 bytes, got 1537 bytes.   download finished wrong size. expected 271448751 bytes, got 1559 bytes.   download finished wrong size. expected 41693483 bytes, got 1533 bytes.   download finished wrong size. expected 39017864 bytes, got 1531 bytes.   done. nothing installed. sys-img-x86-addon-google_apis-google-21, extra-android-m2repository , 3 more sdk components not installed

note: on proxy server have setup proxy settings in advance help


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