Here’s a troubleshooting post you can use on a forum, social media, or a support blog. Fixing the “ES2Launcher.exe Application Error” – Quick Guide
If you’re seeing an (often “The instruction at 0x… referenced memory at 0x… The memory could not be read/written”), you’re likely trying to run an older game—typically Mass Effect 2 (or another EA title from that era) that uses the EA Support/ES2 launcher.