Unfortunately, I'm having the same problem before. RStudio opens and responds to a few clicks, the flashes, and is unresponsive. It seems to happen everytime I open it.
Referring back to @jcblum 's comment, I am able to run Rgui.exe, and it seems stable. Here is the open from sessionInfo()
R version 3.6.1 (2019-07-05)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 17134)
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_3.6.1
Also for reference, I installed the following as administrator:
R 3.6.1
RStudio 1.3.1335