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1,211 questions
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Hi @Merlin Chan 0,
Welcome to Microsoft Q&A!
Please upgrade your Operating System to Windows 7 SP 1 and install Visual Studio 2015 Update 3 from the Visual Studio Subscriptions-Downloads page.
If you are using firewall or proxy server, please refer to the following link to fix the connection error:
Error: “The underlying connection was closed”
Sincerely,
Anna
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