If you are looking for this specific file today, proceed with extreme caution. Most sites hosting "Newbluefx 2012 Beta 1 Fixed" are unverified archive sites or legacy torrent mirrors. Because these files are "Fixed" (modified), they are frequently bundled with that modern antivirus software will flag.
The "Fixed" version is a community-driven or developer-revised build that addresses these stability issues. It does alter the core trading logic—it simply patches execution errors, making the EA usable for live or demo trading without crashing the MT4 terminal. Newbluefx 2012 Beta 1 Fixed