R opens in Rterm instead of Rgui - Stack Overflow

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When I open the R.exe I get the Rterm environment instead of the Rgui. This is very definitely unwanted behavior, and I would like to restore the default Rgui behavior. How do I set things right?

My first thought was to simply reboot the computer -- no help. Then I looked on the web. One suggestion was to delete R and reinstall it. I did that, but no change. Another suggestion was to edit the profile, but my .Rprofile file is empty. I also saw a suggestion about editing environmental variables and deleting anything involving R, but I could not find anything relating to R.

In case it's relevant, the problem started when I accidentally tried to run reprex() in the Rgui instead of Rstudio. It gave me an unpleasant error message and closed the R session. But it left a Rterm window open. I closed that window separately.

I am having no problems with Rstudio, but sometimes I prefer to run a session in the Rgui.

Any help would be much appreciated.

FYI I am pasting the session info. This session was run in base R, not Rstudio.

R version 4.4.3 (2025-02-28 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26100)

Matrix products: default


locale:
[1] LC_COLLATE=English_United States.utf8
[2] LC_CTYPE=English_United States.utf8
[3] LC_MONETARY=English_United States.utf8
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.utf8

time zone: America/Los_Angeles
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_4.4.3

When I open the R.exe I get the Rterm environment instead of the Rgui. This is very definitely unwanted behavior, and I would like to restore the default Rgui behavior. How do I set things right?

My first thought was to simply reboot the computer -- no help. Then I looked on the web. One suggestion was to delete R and reinstall it. I did that, but no change. Another suggestion was to edit the profile, but my .Rprofile file is empty. I also saw a suggestion about editing environmental variables and deleting anything involving R, but I could not find anything relating to R.

In case it's relevant, the problem started when I accidentally tried to run reprex() in the Rgui instead of Rstudio. It gave me an unpleasant error message and closed the R session. But it left a Rterm window open. I closed that window separately.

I am having no problems with Rstudio, but sometimes I prefer to run a session in the Rgui.

Any help would be much appreciated.

FYI I am pasting the session info. This session was run in base R, not Rstudio.

R version 4.4.3 (2025-02-28 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26100)

Matrix products: default


locale:
[1] LC_COLLATE=English_United States.utf8
[2] LC_CTYPE=English_United States.utf8
[3] LC_MONETARY=English_United States.utf8
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.utf8

time zone: America/Los_Angeles
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_4.4.3

• rgui
• rterm

Share Improve this question Follow asked Mar 26 at 21:14 Bill AndersonBill Anderson 5933 bronze badges

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1 Answer 1

Sorted by: Reset to default 0

The fix is to run Rgui.exe rather than R.exe; both are in the same place in the program files. I don't know why I never had that issue before, but this seems to be the needed fix. Thanks to PRubin for posting this answer in the Posit Community site.

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