IDE pop-ups rendering with unintended lines

Hi,

I would like to report the rendering issue that accompanies me troughout my whole RStudio experience. No matter to computer or rendering engine or GPU setting, there are ugly lines in a pop-ups (as seen when swithing projects, e.g.). This is clearly shown in the screenshot below:

Here I append RStudio diag report. Note that using macOS, there is no such issue. Thank you in advance!

RStudio Diagnostics Report
==========================

WARNING: This report may contain sensitive security information and / or
personally identifiable information. Please audit the below and redact any
sensitive information before submitting your diagnostics report.

Generated: Wed May 20 10:37:24 2020

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


Session Information
--------------------------------------------------
R version 4.0.0 (2020-04-24)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)

Matrix products: default

locale:
[1] LC_COLLATE=Czech_Czechia.1250  LC_CTYPE=Czech_Czechia.1250   
[3] LC_MONETARY=Czech_Czechia.1250 LC_NUMERIC=C                  
[5] LC_TIME=Czech_Czechia.1250    

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

loaded via a namespace (and not attached):
[1] compiler_4.0.0 tools_4.0.0    renv_0.9.3    


System Information
--------------------------------------------------
sysname        : Windows        
release        : 10 x64         
version        : build 18363    
nodename       : DESKTOP-HJQMO9U
machine        : x86-64         
login          : netik          
user           : netik          
effective_user : netik          


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


Environment Variables
--------------------------------------------------
ALLUSERSPROFILE                     : C:\ProgramData
APPDATA                             : C:\Users\netik\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                        : DESKTOP-xxxxxxxx
ComSpec                             : C:\Windows\system32\cmd.exe
DISPLAY                             : :0
DriverData                          : C:\Windows\System32\Drivers\DriverData
GFORTRAN_STDERR_UNIT                : -1
GFORTRAN_STDOUT_UNIT                : -1
HOME                                : C:\Users\netik\Documents
HOMEDRIVE                           : C:
HOMEPATH                            : \Users\netik
LOCALAPPDATA                        : C:\Users\netik\AppData\Local
LOGONSERVER                         : \\DESKTOP-xxxxxxxx
MPLENGINE                           : tkAgg
MSYS2_ENV_CONV_EXCL                 : R_ARCH
NUMBER_OF_PROCESSORS                : 8
OneDrive                            : C:\Users\netik\OneDrive
OneDriveConsumer                    : C:\Users\netik\OneDrive
OS                                  : Windows_NT
PATH                                : C:\Program Files\R\R-4.0.0\bin\x64;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files\Git\cmd;C:\Users\netik\AppData\Local\Microsoft\WindowsApps;C:\Users\netik\AppData\Local\GitHubDesktop\bin
PATHEXT                             : .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
PROCESSOR_ARCHITECTURE              : AMD64
PROCESSOR_IDENTIFIER                : Intel64 Family 6 Model 126 Stepping 5, GenuineIntel
PROCESSOR_LEVEL                     : 6
PROCESSOR_REVISION                  : 7e05
ProgramData                         : C:\ProgramData
ProgramFiles                        : C:\Program Files
ProgramFiles(x86)                   : C:\Program Files (x86)
ProgramW6432                        : C:\Program Files
PSModulePath                        : C:\Program Files\WindowsPowerShell\Modules;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-4.0.0/doc
R_HOME                              : C:/PROGRA~1/R/R-4.0.0
R_LIBS_USER                         : C:/Users/netik/Documents/GitHub/buildr/renv/library/R-4.0/x86_64-w64-mingw32;C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library
R_USER                              : C:/Users/netik/Documents
RENV_DEFAULT_R_ENVIRON              : <NA>
RENV_DEFAULT_R_ENVIRON_USER         : <NA>
RENV_DEFAULT_R_LIBS                 : <NA>
RENV_DEFAULT_R_LIBS_SITE            : <NA>
RENV_DEFAULT_R_LIBS_USER            : C:/Users/netik/Documents/R/win-library/4.0
RENV_DEFAULT_R_PROFILE              : <NA>
RENV_DEFAULT_R_PROFILE_USER         : <NA>
RENV_PROJECT                        : C:/Users/netik/Documents/GitHub/buildr
RETICULATE_MINICONDA_PYTHON_ENVPATH : C:/Users/netik/Documents/GitHub/buildr/renv/python/r-reticulate
RMARKDOWN_MATHJAX_PATH              : C:/Program Files/RStudio/resources/mathjax-27
RS_LOCAL_PEER                       : \\.\pipe\36328-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                : 36328
RSTUDIO_USER_IDENTITY               : netik
RSTUDIO_WINUTILS                    : C:/Program Files/RStudio/bin/winutils
RTOOLS40_HOME                       : C:\rtools40
SESSIONNAME                         : Console
SystemDrive                         : C:
SystemRoot                          : C:\Windows
TEMP                                : C:\Users\netik\AppData\Local\Temp
TERM                                : xterm-256color
TMP                                 : C:\Users\netik\AppData\Local\Temp
USERDOMAIN                          : DESKTOP-xxxxxxx
USERDOMAIN_ROAMINGPROFILE           : DESKTOP-xxxxxxx
USERNAME                            : *** redacted ***
USERPROFILE                         : C:\Users\netik
windir                              : C:\Windows


R Version
--------------------------------------------------
platform       : x86_64-w64-mingw32
arch           : x86_64
os             : mingw32
system         : x86_64, mingw32
status         : 
major          : 4
minor          : 0.0
year           : 2020
month          : 04
day            : 24
svn rev        : 78286
language       : R
version.string : R version 4.0.0 (2020-04-24)
nickname       : Arbor Day


R Home
--------------------------------------------------
C:/PROGRA~1/R/R-4.0.0


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


R Library Paths
--------------------------------------------------
C:/Users/netik/Documents/GitHub/buildr/renv/library/R-4.0/x86_64-w64-mingw32
C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library            


Loaded Packages
--------------------------------------------------
compiler  : C:/Program Files/R/R-4.0.0/library/compiler                                      
datasets  : C:/Program Files/R/R-4.0.0/library/datasets                                      
graphics  : C:/Program Files/R/R-4.0.0/library/graphics                                      
grDevices : C:/Program Files/R/R-4.0.0/library/grDevices                                     
methods   : C:/Program Files/R/R-4.0.0/library/methods                                       
stats     : C:/Program Files/R/R-4.0.0/library/stats                                         
tools     : C:/Program Files/R/R-4.0.0/library/tools                                         
utils     : C:/Program Files/R/R-4.0.0/library/utils                                         
renv      : C:/Users/netik/Documents/GitHub/buildr/renv/library/R-4.0/x86_64-w64-mingw32/renv
base      : C:\Users\netik\AppData\Local\Temp\Rtmpq0t2DD/renv-system-library/base      


Installed Packages
--------------------------------------------------
      Package                                                                      LibPath  Version
1        renv C:/Users/netik/Documents/GitHub/buildr/renv/library/R-4.0/x86_64-w64-mingw32    0.9.3
2        base             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
3        boot             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   1.3-24
4       class             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   7.3-16
5     cluster             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    2.1.0
6   codetools             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   0.2-16
7    compiler             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
8    datasets             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
9     foreign             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   0.8-78
10   graphics             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
11  grDevices             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
12       grid             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
13 KernSmooth             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library  2.23-16
14    lattice             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library  0.20-41
15       MASS             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library 7.3-51.5
16     Matrix             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   1.2-18
17    methods             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
18       mgcv             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   1.8-31
19       nlme             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library  3.1-147
20       nnet             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   7.3-13
21   parallel             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
22      rpart             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   4.1-15
23    spatial             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   7.3-11
24    splines             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
25      stats             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
26     stats4             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
27   survival             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library   3.1-12
28      tcltk             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
29      tools             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0
30      utils             C:/Users/netik/AppData/Local/Temp/Rtmpq0t2DD/renv-system-library    4.0.0


R System Profile: C:/PROGRA~1/R/R-4.0.0/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-4.0.0/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/netik/Documents/.Rprofile
--------------------------------------------------
(File does not exist)


R Site Environ: C:/PROGRA~1/R/R-4.0.0/etc/Renviron.site
--------------------------------------------------
(File does not exist)


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


R Temporary Directory
--------------------------------------------------
C:\Users\netik\AppData\Local\Temp\Rtmpq0t2DD


Files in R Temporary Directory
--------------------------------------------------
libloc_180_84b6a54.rds                          
renv-system-library                             
rs-graphics-79e7adf6-4804-4ac2-a4e6-9b0cb62b36d6


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

(Not Found)

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

20 May 2020 08:37:24 [rstudio-diagnostics] ERROR system error 32 (Proces nemá přístup k souboru, neboť jej právě využívá jiný proces) [path: C:/Users/netik/AppData/Local/RStudio-Desktop/log/rsession-netik.log]; OCCURRED AT auto __cdecl rstudio::core::FilePath::openForRead::<lambda_08754985928f41bffddcf4ccb546a6bb>::operator ()(void) const src/cpp/shared_core/FilePath.cpp:1134; LOGGED FROM: void __cdecl `anonymous-namespace'::writeFile(const class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,const class rstudio::core::FilePath &,class std::basic_ostream<char,struct std::char_traits<char> > &) src/cpp/diagnostics/DiagnosticsMain.cpp:63
(Empty)

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

{
    "panes": {
        "quadrants": [
            "Source",
            "Console",
            "TabSet1",
            "TabSet2"
        ],
        "tabSet1": [
            "Environment",
            "Files",
            "Connections",
            "Build",
            "VCS",
            "Tutorial",
            "Presentation"
        ],
        "tabSet2": [
            "History",
            "Plots",
            "Packages",
            "Help",
            "Viewer"
        ],
        "console_left_on_top": false,
        "console_right_on_top": true
    },
    "editor_theme": "Merbivore",
    "windows_terminal_shell": "win-git-bash",
    "style_diagnostics": true,
    "jobs_tab_visibility": "shown"
}

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

(Not Found)

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

{
    "context_id": "BDDC4978",
    "theme": {
        "name": "Merbivore",
        "url": "theme/default/merbivore.rstheme",
        "isDark": true
    },
    "error_handler_type": "traceback"
}

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