: The file is generally considered safe to use provided it is downloaded from a reputable source like SourceForge .
Version 4.6.4 contains Adobe Flash and Silverlight . Both have massive, unpatched security holes (CVE-2021-... etc.). Installing these on a modern machine (or even an offline machine connected to a LAN) is asking for a remote code execution exploit. All In One Runtimes 4.6.4 -1-.exe