> BiocManager::install("stringi",ask = F,update = F)
‘getOption("repos")‘ replaces Bioconductor standard repositories, see ‘?repositories‘ for details

replacement repositories:
    CRAN: https://cran.rstudio.com/

Bioconductor version 3.10 (BiocManager 1.30.16), R 3.6.0 (2019-04-26)
Installing package(s) ‘stringi‘

  There is a binary version available but the source version is later:
        binary source needs_compilation
stringi  1.6.1  1.6.2              TRUE

  Binaries will be installed
trying URL ‘https://cran.rstudio.com/bin/windows/contrib/3.6/stringi_1.6.1.zip‘
Content type ‘application/zip‘ length 16420946 bytes (15.7 MB)
downloaded 15.7 MB

package ‘stringi’ successfully unpacked and MD5 sums checked

package ‘stringi’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
	C:\Users\Administrator\AppData\Local\Temp\RtmpkbxElg\downloaded_packages
Warning message:
In .inet_warning(msg) :
  cannot remove prior installation of package ‘stringi’

BiocManager::install("stringi",ask = F,update = F)