In the 'Save As' dialog screen, the Save and Cancel buttons are only accessible using the Tab key. Unable or cannot click them.
说明
In the Save As dialog screen, the Save and Cancel buttons are only accessible using the Tab key. Mouse click will not work. This worked correctly until upgrade to Windows 10.
解决办法
Go to Tools | Options | Environment | General | and un-check the option 'Automatically add files to library on open'.