Missing runtime components can cause file access failures.
The most common cause of this error is Windows Defender or a third-party antivirus falsely flagging the game's executable (re6.exe) or a file named urlmon.dll as a threat and quarantining it. resident evil 6 fatal error failed open file
If the game is installed in a protected system folder (like Program Files x86), permission errors can occur even with Admin rights. Missing runtime components can cause file access failures