R Studios is not starting/ No connection to R Session

Hi all,

I am running a regular Version of R Desktop (see output diagnostics below) and RStudio is not loading anymore. In particular, it seems like there is no connection to the R session.

In addition: Running the "rsession.exe" produces the "R.dll not found" Error. Opening R pressing Ctrl and selecting the respective R folder did not help.

I already deinstalled and installed R and RStudio again, which didnt help.

Thanks for your help!

Here are the results from the diagnostics output:


RStudio Version
--------------------------------------------------
1.3.959


Session Information
--------------------------------------------------
R version 4.0.1 (2020-06-06)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows Server >= 2012 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.1252 
[2] LC_CTYPE=English_United States.1252   
[3] LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C                          
[5] LC_TIME=English_United States.1252    

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

loaded via a namespace (and not attached):
[1] compiler_4.0.1 tools_4.0.1   


System Information
--------------------------------------------------
sysname        : Windows           
release        : Server >= 2012 x64
version        : build 9200        
nodename       : HERKULES          
machine        : x86-64            
login          : Administrator     
user           : Administrator     
effective_user : Administrator     


Platform Information
--------------------------------------------------
OS.type    : windows
file.sep   : /
dynlib.ext : .dll
GUI        : Rgui
endian     : little
pkgType    : win.binary
path.sep   : ;
r_arch     : x64


Environment Variables
--------------------------------------------------
ALLUSERSPROFILE            : C:\ProgramData
APPDATA                    : C:\Users\Administrator\AppData\Roaming
CLICOLOR_FORCE             : 1
CommonProgramFiles         : C:\Program Files\Common Files
CommonProgramFiles(x86)    : C:\Program Files (x86)\Common Files
CommonProgramW6432         : C:\Program Files\Common Files
COMPUTERNAME               : HERKULES
ComSpec                    : C:\Windows\system32\cmd.exe
FP_NO_HOST_CHECK           : *** redacted ***
GFORTRAN_STDERR_UNIT       : -1
GFORTRAN_STDOUT_UNIT       : -1
HOME                       : C:\Users\Administrator\Documents
HOMEDRIVE                  : C:
HOMEPATH                   : \Users\Administrator
JRE_HOME                   : C:\Program Files (x86)\Java\jre1.8.0_77\bin\
LOCALAPPDATA               : C:\Users\Administrator\AppData\Local
LOGONSERVER                : \\HERKULES
MSYS2_ENV_CONV_EXCL        : R_ARCH
NUMBER_OF_PROCESSORS       : 16
OS                         : Windows_NT
PATH                       : C:\Program Files\R\R-4.0.1\bin\x64;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Java\jre1.8.0_77\bin\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files\Git\cmd;C:\Program Files\Kapow Katalyst 9.3.0 x64\bin;C:\Users\Administrator\AppData\Local\Programs\Microsoft VS Code\bin
PATHEXT                    : .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_ARCHITECTURE     : AMD64
PROCESSOR_IDENTIFIER       : Intel64 Family 6 Model 45 Stepping 7, GenuineIntel
PROCESSOR_LEVEL            : 6
PROCESSOR_REVISION         : 2d07
ProgramData                : C:\ProgramData
ProgramFiles               : C:\Program Files
ProgramFiles(x86)          : C:\Program Files (x86)
ProgramW6432               : C:\Program Files
PROMPT                     : $P$G
PSModulePath               : C:\Windows\system32\WindowsPowerShell\v1.0\Modules\
PUBLIC                     : C:\Users\Public
QT_D3DCREATE_MULTITHREADED : 1
R_ARCH                     : /x64
R_COMPILED_BY              : gcc 8.3.0
R_DOC_DIR                  : C:/PROGRA~1/R/R-40~1.1/doc
R_HOME                     : C:/PROGRA~1/R/R-40~1.1
R_LIBS_USER                : C:/Users/Administrator/Documents/R/win-library/4.0
R_USER                     : C:/Users/Administrator/Documents
RMARKDOWN_MATHJAX_PATH     : C:/Program Files/RStudio/resources/mathjax-27
RS_LOCAL_PEER              : \\.\pipe\34129-rsession
RS_RPOSTBACK_PATH          : C:/Program Files/RStudio/bin/rpostback
RS_SHARED_SECRET           : *** redacted ***
RSTUDIO                    : 1
RSTUDIO_CONSOLE_COLOR      : 256
RSTUDIO_CONSOLE_WIDTH      : 80
RSTUDIO_MSYS_SSH           : C:/Program Files/RStudio/bin/msys-ssh-1000-18
RSTUDIO_PANDOC             : C:/Program Files/RStudio/bin/pandoc
RSTUDIO_PROGRAM_MODE       : desktop
RSTUDIO_SESSION_PORT       : 34129
RSTUDIO_USER_IDENTITY      : Administrator
RSTUDIO_WINUTILS           : C:/Program Files/RStudio/bin/winutils
SystemDrive                : C:
SystemRoot                 : C:\Windows
TEMP                       : C:\Users\ADMINI~1\AppData\Local\Temp
TERM                       : xterm-256color
TMP                        : C:\Users\ADMINI~1\AppData\Local\Temp
USERDOMAIN                 : HERKULES
USERDOMAIN_ROAMINGPROFILE  : HERKULES
USERNAME                   : *** redacted ***
USERPROFILE                : C:\Users\Administrator
VS140COMNTOOLS             : C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools\
windir                     : C:\Windows


R Version
--------------------------------------------------
platform       : x86_64-w64-mingw32
arch           : x86_64
os             : mingw32
system         : x86_64, mingw32
status         : 
major          : 4
minor          : 0.1
year           : 2020
month          : 06
day            : 06
svn rev        : 78648
language       : R
version.string : R version 4.0.1 (2020-06-06)
nickname       : See Things Now


R Home
--------------------------------------------------
C:/PROGRA~1/R/R-40~1.1


R Search Path
--------------------------------------------------
.GlobalEnv       
tools:rstudio    
package:stats    
package:graphics 
package:grDevices
package:utils    
package:datasets 
package:methods  
Autoloads        
package:base     


R Library Paths
--------------------------------------------------
C:/Program Files/R/R-4.0.1/library


Loaded Packages
--------------------------------------------------
base      : C:/PROGRA~1/R/R-40~1.1/library/base         
compiler  : C:/Program Files/R/R-4.0.1/library/compiler 
datasets  : C:/Program Files/R/R-4.0.1/library/datasets 
graphics  : C:/Program Files/R/R-4.0.1/library/graphics 
grDevices : C:/Program Files/R/R-4.0.1/library/grDevices
methods   : C:/Program Files/R/R-4.0.1/library/methods  
stats     : C:/Program Files/R/R-4.0.1/library/stats    
tools     : C:/Program Files/R/R-4.0.1/library/tools    
utils     : C:/Program Files/R/R-4.0.1/library/utils    


Installed Packages
--------------------------------------------------
        Package                            LibPath  Version
1          base C:/Program Files/R/R-4.0.1/library    4.0.1
2          boot C:/Program Files/R/R-4.0.1/library   1.3-25
3         class C:/Program Files/R/R-4.0.1/library   7.3-17
4       cluster C:/Program Files/R/R-4.0.1/library    2.1.0
5     codetools C:/Program Files/R/R-4.0.1/library   0.2-16
6      compiler C:/Program Files/R/R-4.0.1/library    4.0.1
7      datasets C:/Program Files/R/R-4.0.1/library    4.0.1
8       foreign C:/Program Files/R/R-4.0.1/library   0.8-80
9      graphics C:/Program Files/R/R-4.0.1/library    4.0.1
10    grDevices C:/Program Files/R/R-4.0.1/library    4.0.1
11         grid C:/Program Files/R/R-4.0.1/library    4.0.1
12   KernSmooth C:/Program Files/R/R-4.0.1/library  2.23-17
13      lattice C:/Program Files/R/R-4.0.1/library  0.20-41
14         MASS C:/Program Files/R/R-4.0.1/library 7.3-51.6
15       Matrix C:/Program Files/R/R-4.0.1/library   1.2-18
16      methods C:/Program Files/R/R-4.0.1/library    4.0.1
17         mgcv C:/Program Files/R/R-4.0.1/library   1.8-31
18         nlme C:/Program Files/R/R-4.0.1/library  3.1-148
19         nnet C:/Program Files/R/R-4.0.1/library   7.3-14
20     parallel C:/Program Files/R/R-4.0.1/library    4.0.1
21        rpart C:/Program Files/R/R-4.0.1/library   4.1-15
22      spatial C:/Program Files/R/R-4.0.1/library   7.3-12
23      splines C:/Program Files/R/R-4.0.1/library    4.0.1
24        stats C:/Program Files/R/R-4.0.1/library    4.0.1
25       stats4 C:/Program Files/R/R-4.0.1/library    4.0.1
26     survival C:/Program Files/R/R-4.0.1/library   3.1-12
27        tcltk C:/Program Files/R/R-4.0.1/library    4.0.1
28        tools C:/Program Files/R/R-4.0.1/library    4.0.1
29 translations C:/Program Files/R/R-4.0.1/library    4.0.1
30        utils C:/Program Files/R/R-4.0.1/library    4.0.1


R System Profile: C:/PROGRA~1/R/R-40~1.1/library/base/R/Rprofile
--------------------------------------------------
### This is the system Rprofile file. It is always run on startup.
### Additional commands can be placed in site or user Rprofile files
### (see ?Rprofile).

### Copyright (C) 1995-2015 The R Core Team

### Notice that it is a bad idea to use this file as a template for
### personal startup files, since things will be executed twice and in
### the wrong environment (user profiles are run in .GlobalEnv).

.GlobalEnv <- globalenv()
attach(NULL, name = "Autoloads")
.AutoloadEnv <- as.environment(2)
assign(".Autoloaded", NULL, envir = .AutoloadEnv)
T <- TRUE
F <- FALSE
R.version <- structure(R.Version(), class = "simple.list")
version <- R.version            # for S compatibility

## for backwards compatibility only
R.version.string <- R.version$version.string

## NOTA BENE: options() for non-base package functionality are in places like
##            --------- ../utils/R/zzz.R

options(keep.source = interactive())
options(warn = 0)
# options(repos = c(CRAN="@CRAN@"))
# options(BIOC = "http://www.bioconductor.org")

options(timeout = 60)
options(encoding = "native.enc")
options(show.error.messages = TRUE)
## keep in sync with PrintDefaults() in  ../../main/print.c :
options(scipen = 0)
options(max.print = 99999)# max. #{entries} in internal printMatrix()
options(add.smooth = TRUE)# currently only used in 'plot.lm'

if(isFALSE(as.logical(Sys.getenv("_R_OPTIONS_STRINGS_AS_FACTORS_",
                                 "FALSE")))) {
    options(stringsAsFactors = FALSE)
} else {
    options(stringsAsFactors = TRUE)
}

if(!interactive() && is.null(getOption("showErrorCalls")))
    options(showErrorCalls = TRUE)

local({dp <- Sys.getenv("R_DEFAULT_PACKAGES")
       if(identical(dp, "")) ## it fact methods is done first
           dp <- c("datasets", "utils", "grDevices", "graphics",
                   "stats", "methods")
       else if(identical(dp, "NULL")) dp <- character(0)
       else dp <- strsplit(dp, ",")[[1]]
       dp <- sub("[[:blank:]]*([[:alnum:]]+)", "\\1", dp) # strip whitespace
       options(defaultPackages = dp)
    })

## Expand R_LIBS_* environment variables.
Sys.setenv(R_LIBS_SITE =
           .expand_R_libs_env_var(Sys.getenv("R_LIBS_SITE")))
Sys.setenv(R_LIBS_USER =
           .expand_R_libs_env_var(Sys.getenv("R_LIBS_USER")))

local({
    if(nzchar(tl <- Sys.getenv("R_SESSION_TIME_LIMIT_CPU")))
        setSessionTimeLimit(cpu = tl)
    if(nzchar(tl <- Sys.getenv("R_SESSION_TIME_LIMIT_ELAPSED")))
        setSessionTimeLimit(elapsed = tl)
})

.First.sys <- function()
{
    for(pkg in getOption("defaultPackages")) {
        res <- require(pkg, quietly = TRUE, warn.conflicts = FALSE,
                       character.only = TRUE)
        if(!res)
            warning(gettextf('package %s in options("defaultPackages") was not found', sQuote(pkg)),
                    call. = FALSE, domain = NA)
    }
}

## called at C level in the startup process prior to .First.sys
.OptRequireMethods <- function()
{
    pkg <- "methods" # done this way to avoid R CMD check warning
    if(pkg %in% getOption("defaultPackages"))
        if(!require(pkg, quietly = TRUE, warn.conflicts = FALSE,
                    character.only = TRUE))
            warning('package "methods" in options("defaultPackages") was not found',
                    call. = FALSE)
}

if(nzchar(Sys.getenv("R_BATCH"))) {
    .Last.sys <- function()
    {
        cat("> proc.time()\n")
        print(proc.time())
    }
    ## avoid passing on to spawned R processes
    ## A system has been reported without Sys.unsetenv, so try this
    try(Sys.setenv(R_BATCH=""))
}

local({
    if(nzchar(rv <- Sys.getenv("_R_RNG_VERSION_")))
        suppressWarnings(RNGversion(rv))
})
###-*- R -*-

## this will break if R is on a network share
.Library <- file.path(chartr("\\", "/", R.home()), "library")
.Library.site <- Sys.getenv("R_LIBS_SITE")
.Library.site <- if(!nchar(.Library.site)) file.path(R.home(), "site-library") else unlist(strsplit(.Library.site, ";"))
.Library.site <- .Library.site[file.exists(.Library.site)]

if(!nzchar(Sys.getenv("R_LIBS_USER")))
    Sys.setenv(R_LIBS_USER=
               file.path(Sys.getenv("R_USER"), "R",
                         "win-library",
                         paste(R.version$major,
                               sub("\\..*$", "", R.version$minor),
                               sep=".")
                         ))

invisible(.libPaths(c(unlist(strsplit(Sys.getenv("R_LIBS"), ";")),
                      unlist(strsplit(Sys.getenv("R_LIBS_USER"), ";"))
                      )))

local({
    popath <- Sys.getenv("R_TRANSLATIONS", "")
    if(!nzchar(popath)) {
        paths <- file.path(.libPaths(), "translations", "DESCRIPTION")
        popath <- dirname(paths[file.exists(paths)][1])
    }
    bindtextdomain("R", popath)
    bindtextdomain("R-base", popath)
    bindtextdomain("RGui", popath)
    assign(".popath", popath, .BaseNamespaceEnv)
})

if(nzchar(Sys.getenv("R_PAPERSIZE"))) {
    options(papersize = Sys.getenv("R_PAPERSIZE"))
} else {
    if(grepl("(canada|united.states)", Sys.getlocale("LC_MONETARY"),
             ignore.case = TRUE)) options(papersize = "letter")
    else options(papersize = "a4")
}

options(pager = if(length(grep("--ess", commandArgs()))) "console" else "internal",
        useFancyQuotes = (.Platform$GUI == "Rgui"),
        pdfviewer = Sys.getenv("R_PDFVIEWER", file.path(R.home("bin"), "open.exe")))

if(.Platform$GUI == "Rgui")
    Sys.setenv(GFORTRAN_STDOUT_UNIT = "-1", GFORTRAN_STDERR_UNIT = "-1")

local({
    br <- Sys.getenv("R_BROWSER", NA_character_)
    if(!is.na(br)) options(browser = br)
    tests_startup <- Sys.getenv("R_TESTS")
    if(nzchar(tests_startup)) source(tests_startup)
    ca_cert <- Sys.getenv("CURL_CA_BUNDLE", NA_character_)
    if(!is.na(ca_cert) &&
       file.exists(ca_path <- file.path(R.home("etc"), "curl-ca-bundle.crt")))
        Sys.setenv(CURL_CA_BUNDLE = ca_path)
})


R Site Profile: C:/PROGRA~1/R/R-40~1.1/etc/Rprofile.site
--------------------------------------------------
# Things you might want to change

# options(papersize="a4")
# options(editor="notepad")
# options(pager="internal")

# set the default help type
# options(help_type="text")
  options(help_type="html")

# set a site library
# .Library.site <- file.path(chartr("\\", "/", R.home()), "site-library")

# set a CRAN mirror
# local({r <- getOption("repos")
#       r["CRAN"] <- "http://my.local.cran"
#       options(repos=r)})

# Give a fortune cookie, but only to interactive sessions
# (This would need the fortunes package to be installed.)
#  if (interactive()) 
#    fortunes::fortune()



R User Profile: C:/Users/Administrator/Documents/.Rprofile
--------------------------------------------------
(File does not exist)


R Site Environ: C:/PROGRA~1/R/R-40~1.1/etc/Renviron.site
--------------------------------------------------
(File does not exist)


R User Environ: C:/Users/Administrator/Documents/.Renviron
--------------------------------------------------
(File does not exist)


R Temporary Directory
--------------------------------------------------
C:\Users\ADMINI~1\AppData\Local\Temp\RtmpQBS4e1


Files in R Temporary Directory
--------------------------------------------------
rs-graphics-5f5d1341-d409-4c66-b8e4-900081da857b


Log file: C:/Users/Administrator/AppData/Local/RStudio-Desktop/log/rdesktop.log
--------------------------------------------------

08 Jun 2020 15:21:26 [rdesktop] ERROR Main window closed unexpectedly; LOGGED FROM: auto __cdecl rstudio::desktop::MainWindow::closeEvent::<lambda_987daf20472a951c954d805b7b7dc3ae>::operator ()(class QVariant) const src/cpp/desktop/DesktopMainWindow.cpp:499


Log file: C:/Users/Administrator/AppData/Local/RStudio-Desktop/log/rsession-Administrator.log
--------------------------------------------------

(Not Found)

User prefs: C:/Users/Administrator/AppData/Roaming/RStudio/rstudio-prefs.json
--------------------------------------------------

(Not Found)

System prefs: C:/ProgramData/RStudio/rstudio-prefs.json
--------------------------------------------------

(Not Found)

User state: C:/Users/Administrator/AppData/Local/RStudio/rstudio-desktop.json
--------------------------------------------------

{
    "context_id": "D555CA13",
    "error_handler_type": "traceback"
}

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