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I have been using R Studio for years without any issues but today I am not able to install any packages.
When I use the following code:
install.packages("dplyr")
I just get this message:
Error in install.packages : Line starting '<!DOCTYPE HTML PUBLI ...' is malformed!
I have tried different mirrors and updated my R Studio to the latest version without any joy. My internet connection hasn't changed and is operating normally.
Any help hugely appreciated!
880
asked Oct 31 '25 11:10
This suggests you are getting an http redirect from the server. Changing the repo ought to fix it. There are many different repos you can try. I find the following very reliable:
install.packages("dplyr", repos = c(CRAN = "https://www.stats.bris.ac.uk/R/"))
EDIT
After some extensive trial-and-error, it looks as though it was the download method used by install.packages that was to blame, so the solution was:
install.packages("dplyr", method = "libcurl")
For me, using type="source" solved. i.e.
install.packages("dplyr", type="source")
Failing that, try downloading Rtools and double clicking on it to install it, close your R session and try again, it should succeed.
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