facing problem in installing some packages and update of package

Error Information:

Description of issue - When i am running library it is showing this message

Error: package or namespace load failed for ‘mice’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
namespace ‘rlang’ 0.4.2 is already loaded, but >= 0.4.5 is required
it is working in my laptop but it is showing warning msg
it is not working on desktop
It is not updating in update packages it is just showing the package update versions but it is not updating we i click select all option and install

Hi, and welcome!

Please see the FAQ: What's a reproducible example (`reprex`) and how do I do one? Using a reprex, complete with representative data will attract quicker and more answers. This question doesn't require one, because it's a self descriptive error message, but please keep this in mind for any coding questions.

The key line in the error message is

namespace ‘rlang’ 0.4.2 is already loaded, but >= 0.4.5 is required

It's telling us that the rlang package version is out-of-date.

The normal result of


is nothing when rlang is up-to-date.


#> R version 3.6.2 (2019-12-12)
#> Platform: x86_64-apple-darwin15.6.0 (64-bit)
#> Running under: macOS Catalina 10.15.3
#> Matrix products: default
#> BLAS:   /Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRblas.0.dylib
#> LAPACK: /Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRlapack.dylib
#> locale:
#> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
#> attached base packages:
#> [1] stats     graphics  grDevices utils     datasets  methods   base     
#> loaded via a namespace (and not attached):
#>  [1] compiler_3.6.2  magrittr_1.5    tools_3.6.2     htmltools_0.4.0
#>  [5] yaml_2.2.1      Rcpp_1.0.4      stringi_1.4.6   rmarkdown_2.1  
#>  [9] highr_0.8       knitr_1.28      stringr_1.4.0   xfun_0.12      
#> [13] digest_0.6.25   rlang_0.4.5     evaluate_0.14

Created on 2020-03-18 by the reprex package (v0.3.0)
shows the current versions of packages in the installation.

What I'd suggest is


from the console pane, quitting, restarting, then


Under loaded via a namespace (and not attached):

you should now see rlang_0.4.5

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