R包安装Permission denied 问题解决

报错

> install.packages('digest')
试开URL’https://mirrors.tuna.tsinghua.edu.cn/CRAN/bin/windows/contrib/4.0/digest_0.6.27.zip'
Content type 'application/zip' length 268434 bytes (262 KB)
downloaded 262 KB

程序包‘digest’打开成功，MD5和检查也通过
Warning: 无法将拆除原来安装的程序包‘digest’
Warning: 回复了‘digest’

下载的二进制程序包在
        C:\Users\lx\AppData\Local\Temp\RtmpQVeeOK\downloaded_packages里
Warning message:
In file.copy(savedcopy, lib, recursive = TRUE) :
  拷贝D:\learning\R\R-4.0.2\library\00LOCK\digest\libs\x64\digest.dll到D:\learning\R\R-4.0.2\library\digest\libs\x64\digest.dll时出了问题：Permission denied 

解决方法 

切换到路径D:\learning\R\R-4.0.2\library\
将00LOCK\digest\及digest文件夹全部删除，重新安装即可。

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