Why not use the Steam version?
#the failed installation of half life (1998)
heavy oasis
formal gulch
Because steam version casts money, and he's trying to install a repack
formal gulch
You can try manually creating new prefix and install the game there, the dll mentioned in the error seems to be a part of vcrun6sp6, so try installing it into the prefix before installing a repack.
Or try to use bottles, or portproton
proper crystal
