The "onlinefix64.dll" file is essentially a "bridge" used by third-party game modifications to bypass official server checks. Because this file acts like a "hook" into the game's code, antivirus programs often identify its behavior as "malicious" or "suspicious" (heuristics), leading to its automatic removal. While these files are generally considered "false positives" in the gaming community, they carry inherent risks as they originate from unverified sources. Always ensure you are downloading from reputable community sites to minimize the risk of actual malware disguised as a fix.
(often flagged as "HackTool" or "Trojan"), select it and choose Add Folder Exclusions : To prevent the file from being deleted again, go to Virus & threat protection settings Manage settings Exclusions . Add the entire game folder as an exclusion. Verify Game Files onlinefix64dll fix hot
Add the entire game folder where onlinefix64.dll is located to the exclusion list. The "onlinefix64