BiocManager::install("DaMiRseq")

Error: package or namespace load failed for ‘DaMiRseq’: objects ‘rowSums’, ‘colSums’, ‘rowMeans’, ‘colMeans’ are not exported by 'namespace:S4Vectors'

Probably you have packages from a mixture of Bioconductor releases. Try

BiocManager::valid()

and take action as required.

Less likely is that you have multiple versions of packages installed. Something like

pkgs = rownames(installed.packages())
npkgs = table(pkgs)
npgks[npkgs > 1]

would indicate these, and I would suggest multiple calls to

remove.packages(pkgs)

(until the duplicates are completely removed) followed by

BiocManager::install(pkgs)

to reinstall the duplicates in a standard location.