R is having problems with the encoding of the characters in your library path, try installing into the system-level package library instead.
You can change the default values by setting your R_LIBS_SITE environmental variable on a .Reviron or .Rprofile file, for example:
# In .Renviron file you can set it by adding this line
R_LIBS_SITE="C:\\Program Files\\R\\R-4.0.2\\library"