Unable to download via board manager but can access via the web

Development Tools IDE 1.x
2

I'm going to ask you to post some additional information that might help us to identify the problem.

Please do this:

  1. Close all Arduino IDE windows.
  2. Start the Arduino IDE. (this restart was done to get a blank console pane)
  3. Select Tools > Board > Boards Manager from the Arduino IDE's menus.
  4. After the process fails, click the Close button.
  5. Click on the black console pane at the bottom of the Arduino IDE window.
  6. Press Ctrl+A to select all the text.
  7. Press Ctrl+C to copy the selected text to the clipboard.
  8. Open a forum reply here by clicking the Reply button.
  9. Click the </> icon on the post composer toolbar. This will add the forum's code block markup (```) to your reply to make sure the error messages are correctly formatted.
    Code block
  10. Press Ctrl+V. This will paste the compilation output into the code block.
  11. Move the cursor outside of the code block markup before you add any additional text to your reply.
  12. Click the Reply button to post the output.
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