>
> Hey Daniel,
>
> I'm a Data Science guy instead of a Computer Science guy. So I don't
> know much about the curl mechanism. What I was trying to fetch is
> historical stock data from Yahoo Finance, which is a public URL.
>
> I used RStudio to install curl just by `install.packages(curl)`. I
> think my company's computer is Win 7 enterprise edition. I don't know
> whether they set some restrictions on the computer. Do you think
> there's a way to close SSL verification? Have no idea why it works for
> Google Finance.. Sorry about the confusing description.
>
> Thanks,
> Arthur
>
> 2017-09-14 17:10 GMT-05:00 Daniel Stenberg <daniel_at_haxx.se>:
>> On Wed, 13 Sep 2017, 于千帆 via curl-library wrote:
>>
>>> I’m trying to use quantmod package in R to get financial data from Yahoo.
>>> It works perfectly on my personal laptops (Mac and Win). But I cannot make
>>> it work on my working computer (Win7). Here's the error code:
>>
>>
>>> SSL certificate problem: unable to get local issuer certificate
>>
>>
>> For the sake of debugging this problem, can you reproduce it with the curl
>> tool against a public URL?
>>
>> What libcurl version and what SSL backend are you using?
>>
>> What's the difference between your personal laptop's Windows installation
>> and your working computer's Windows?
>>
>> --
>>
>> / daniel.haxx.se
>
>
>
> --
> Yours SIncerely,
> Qianfan Yu

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Received on 2017-09-19