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Adnan Ul Haque@DESKTOP-82C93B3 MINGW64 ~/ardupilot (master)
$ vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Box 'ubuntu/yakkety32' could not be found. Attempting to find and install...
    default: Box Provider: virtualbox
    default: Box Version: >= 0
==> default: Loading metadata for box 'ubuntu/yakkety32'
    default: URL: https://vagrantcloud.com/ubuntu/yakkety32
==> default: Adding box 'ubuntu/yakkety32' (v20170330.0.0) for provider: virtualbox
    default: Downloading: https://vagrantcloud.com/ubuntu/boxes/yakkety32/versions/20170330.0.0/providers/virtualbox.box
    default: Progress: 0% (Rate: 0/s, Estimated time remaining: --:--:--):--)
An error occurred while downloading the remote file. The error
message, if any, is reproduced below. Please fix this error and try
again.

The requested URL returned error: 404 Not Found
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