* installing *source* package 'DEoptim' ... ** package 'DEoptim' successfully unpacked and MD5 sums checked ERROR: cannot remove earlier installation, is it in use? * removing 'd:/Rcompile/CRANpkg/lib/4.4/DEoptim' * restoring previous 'd:/Rcompile/CRANpkg/lib/4.4/DEoptim' Warning in file.copy(lp, dirname(pkgdir), recursive = TRUE, copy.date = TRUE) : problem copying d:\Rcompile\CRANpkg\lib\4.4\00LOCK-DEoptim\DEoptim\libs\x64\DEoptim.dll to d:\Rcompile\CRANpkg\lib\4.4\DEoptim\libs\x64\DEoptim.dll: Permission denied