* installing *source* package 'xfun' ...
** this is package 'xfun' version '0.54'
** package 'xfun' successfully unpacked and MD5 sums checked
ERROR: cannot remove earlier installation, is it in use?
* removing 'd:/Rcompile/CRANpkg/lib/4.6/xfun'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.6/xfun'