The error message is asking you to update rlang What happens when you try to update it? Do you get any error message? If so please post the whole error message here as formatted code.
restoring previous 'C:/Users/Channen/Documents/R/win-library/3.6/rlang'
Error in file.copy(lp, dirname(pkgdir), recursive = TRUE, copy.date = TRUE) :
(converted from warning) problem copying C:\Users\Channen\Documents\R\win-library\3.6\00LOCK-rlang\rlang\libs\x64\rlang.dll to C:\Users\Channen\Documents\R\win-library\3.6\rlang\libs\x64\rlang.dll: Permission denied
Execution halted
Error: Failed to install 'rlang' from GitHub:
(converted from warning) installation of package ‘C:/Users/Channen/AppData/Local/Temp/RtmpuMc3s0/file54383981e0/rlang_0.4.3.tar.gz’ had non-zero exit status