[R] R Update

[shetumi m@iii@g oii @im@com]

I tried to update R in my Windows machine from 3.4.2 to latest one. But it is showing error as follows. Can anyone please help me where the problem is ?
> library(installr)> updateR()Installing the newest version of R, please wait for the installer file to be download and executed. Be sure to click 'next' as needed...trying URL 'https://cran.rstudio.com/bin/windows/base/R-3.6.1-win.exe'Content type 'application/x-msdownload' length 84681344 bytes (80.8 MB)downloaded 50.8 MB
The file was downloaded successfully into:
 C:\Users\DEBASI~1\AppData\Local\Temp\RtmpisJrKZ/R-3.6.1-win.exe 
Running the installer now...
Installation status:  FALSE . Removing the file: C:\Users\DEBASI~1\AppData\Local\Temp\RtmpisJrKZ/R-3.6.1-win.exe  (In the future, you may keep the file by setting keep_install_file=TRUE) [1] FALSEWarning messages:1: In download_fun(exe_URL, destfile = exe_filename, quiet = FALSE,  :  downloaded length 53260288 != reported length 846813442: running command 'C:\Windows\system32\cmd.exe /c C:\Users\DEBASI~1\AppData\Local\Temp\RtmpisJrKZ/R-3.6.1-win.exe' had status 1 3: In shell(install_cmd, wait = wait, ...) :  'C:\Users\DEBASI~1\AppData\Local\Temp\RtmpisJrKZ/R-3.6.1-win.exe' execution failed with error code 1



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