What else can I do to make sure that curl is working when I am using R ( MetaboAnalyst package) in Windows 10?

问题

I have windows 10, so I already have curl, which is located in this path on my laptop C:\Windows\System32.

I have used the advice on this post How do I install and use curl on Windows?, and added this location to Path under Systems Variables.

When I type the below into R, I can see, amongst others, this path location.

   Sys.getenv("PATH")

I would like to use the MetaboAnalyst pathway package in R (https://www.rdocumentation.org/packages/MetaboAnalystR/versions/2.0.0). However, I am met with the below message when I try and run some lines of code.

   "Loading files from server unsuccessful. Ensure curl is downloaded on your computer."

I am unsure what to do as I really need to use this programme in order to proceeed with my analysis. Please can anybody using a Windows operating system, suggest how I might be able to overcome this.

I know I have curl installed on my computer because I can use it via the command prompt.

Not sure how to overcome this error .

来源：https://stackoverflow.com/questions/62122313/what-else-can-i-do-to-make-sure-that-curl-is-working-when-i-am-using-r-metaboa