[Rd] R 3.5.3 having trouble spawning a new process on my Windows 10 machine

[Sam Albers]

Hi all,

I am noticing some strange behaviour so I am bringing to this list. In the
past when I have submitted bugs to bugzilla, I have come here first for
confirmation/advice. Hopefully this is appropriate.

Upgrading from R 3.5.2 to R 3.5.3 seems to have elicited some strange
behaviour on my Windows machine. R seems to have trouble spawning a new
process on my machine. You can noticing with all sort of packages, like
devtools, which try to spawn new R processes. Here is the replication of
the beahviour:



## On R 3.5.3
Open a command prompt:

H:\>R
'"C:\PROGRA~1\R\R-35~1.3/bin/x64/Rterm.exe"' is not recognized as an
internal or external command,
operable program or batch file.

H:\>Rscript -e "sessionInfo()"
R version 3.5.3 (2019-03-11)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 17134)

Matrix products: default

locale:
[1] LC_COLLATE=English_Canada.1252  LC_CTYPE=English_Canada.1252
[3] LC_MONETARY=English_Canada.1252 LC_NUMERIC=C
[5] LC_TIME=English_Canada.1252

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

loaded via a namespace (and not attached):
[1] compiler_3.5.3



## On 3.5.2
H:\>R

R version 3.5.2 (2018-12-20) -- "Eggshell Igloo"
Copyright (C) 2018 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

  Natural language support but running in an English locale

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> q()
Save workspace image? [y/n/c]: n

H:\>Rscript -e "sessionInfo()"
R version 3.5.2 (2018-12-20)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 17134)

Matrix products: default

locale:
[1] LC_COLLATE=English_Canada.1252  LC_CTYPE=English_Canada.1252
[3] LC_MONETARY=English_Canada.1252 LC_NUMERIC=C
[5] LC_TIME=English_Canada.1252

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

loaded via a namespace (and not attached):
[1] compiler_3.5.2



## Considerations
- I have manually removed both my .Renviron and .Rprofile files just to
ensure those weren't muddling up anything.
- I have my PATH set like this "C:\Program Files\R\R-3.5.3\bin"  for 3.5.3
and "C:\Program Files\R\R-3.5.2\bin" for 3.5.2
- R 3.5.3 works final if I just open the default console that ships with R.
But then anytime I try to launch a new process I get the above error.

A similar issue has been raised up before
https://stat.ethz.ch/pipermail/r-devel/2017-September/074921.html
https://stat.ethz.ch/pipermail/r-devel/2015-September/071714.html

Am I missing something obvious here? Many thanks in advance for taking a
look.

Regards,

Sam

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