unable to install stringr

Hi, I am new learner of Rstudio.
I am trying to install “stringr" package. However, I always encounter this error:

ERROR: failed to lock directory 'C:/Program Files/R/R-3.6.2/library' for modifying Try removing 'C:/Program Files/R/R-3.6.2/library/00LOCK-stringi' Warning in install.packages : installation of package ‘stringi’ had non-zero exit status

Can anyone help me with this? Thank you very much in advance.

I have you tried removing the file
C:/Program Files/R/R-3.6.2/library/00LOCK-stringi

You may have to make hidden objects visible, which I believe is an option in the View menu.

Also, have in mind that you need to run RStudio as administrator to be able to install in this library path.

thank you very much.
I deleted the file you mentioned and reinstalled package successfully.

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