I am having trouble installing with BiocManager. Below is the sequence of commands.

> if (!requireNamespace("BiocManager", quietly = TRUE))
+     install.packages("BiocManager")
trying URL 'https://mirrors.nics.utk.edu/cran/bin/windows/contrib/4.0/BiocManager_1.30.16.zip'
Content type 'application/zip' length 328507 bytes (320 KB)
downloaded 320 KB

package ‘BiocManager’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
        C:\Users\gmrwv\AppData\Local\Temp\RtmpmW98WI\downloaded_packages
> BiocManager::install()
Error in get(method, envir = home) : 
  lazy-load database 'C:/Program Files/R/R-4.0.5/library/BiocManager/R/BiocManager.rdb' is corrupt
In addition: Warning messages:
1: In .registerS3method(fin[i, 1], fin[i, 2], fin[i, 3], fin[i, 4],  :
  restarting interrupted promise evaluation
2: In get(method, envir = home) :
  restarting interrupted promise evaluation
3: In get(method, envir = home) : internal error -3 in R_decompress1
>

You should try re-installing BiocManager, perhaps choosing a different mirror.