Re: Error - "cannot connect to URL"

Às 14:22 de 15/07/2026, Damodar, Shilpa (Postgraduate Student) escreveu:
> Hello,
>
> I am a student in the UK and use RStudio for my coursework and research projects. I have been using RStudio on my personal laptop for over nine months without any issues.
> Recently, I was provided with an NHS organisation laptop for my project, and I installed RStudio on that device as well. However, I am now encountering a problem where I am unable to install any packages. RStudio consistently returns the error message: "cannot connect to URL."
> Both the IT team and I have been trying to identify and resolve the issue, but we have not yet been able to determine the cause.
> I would greatly appreciate any guidance or assistance you can provide in resolving this issue. Thank you for your time and support.
> Thanks  and regards,
> Shilpa
>
> 	[[alternative HTML version deleted]]
>
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Hello,

It's difficult to say what is going on but if you open a Terminal window 
(or cmd in Windows) and run


Rscript -e "install.packages('pkg_name', repos = 
'https://cloud.r-project.org/')"


does it work?

Can you run


sessionInfo()


and post its output?

Hope this helps,

Rui Barradas