the name of the previous developer (rhinosoft) of the software appears in the directory tree, which would lead me to guess that maybe the original installer did

the name of the previous developer (rhinosoft) of the software appears in the directory tree, which would lead me to guess that maybe the original installer did set correct ACLs but when ported to the new post-acquisition solarwinds installer, that was maybe dropped. (just a guess) i dunno how modern windows admin is done, but the last time i worked with it it was common for large sites to use deployment automation and do repackaging, even if was less sophisticated than what you'd see in unixland.