I thought you might be interested in looking at Arma 2 OA Server - wrong installed ?.
https://forums.bohemia.net/forums/topic/130746-arma-2-oa-server-wrong-installed/?do=findComment&comment=2156919
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.