Horizon Forbidden West Update 1037 1580exe Work

Based on official release notes and community feedback, this patch primarily focuses on:

📝 Note: The executable name 1580.exe simply reflects the internal build number. This is the same patch labeled 1.037 in-game.

Let’s decode the keyword first. There is no official "1037" or "1580exe" file. Instead, users are conflating:

Thus, your problem is: After updating Horizon Forbidden West to build 1.0.38.1580, the game’s EXE fails to start. horizon forbidden west update 1037 1580exe work

The string 1580exe does not refer to a valid game file. Instead, it originates from Windows Error Reporting or Task Manager, where process ID (PID) 1580 is assigned to a conflicting application.

Through extensive troubleshooting, the community has identified three common sources of PID 1580:

In short: The error "1580exe" doesn’t exist as a file—it’s a process ID conflict. Your game crashes because something else is using that ID slot. Based on official release notes and community feedback,

Before launching the game, run through this 60-second checklist:

Launch the game. If it crashes again, reboot Windows (clears all PID assignments) and launch Horizon Forbidden West as the very first application—before Chrome, Discord, or anything else.

Before proceeding, it is important to address the file mentioned in your request. 📝 Note: The executable name 1580

  • Safety Tip: If you downloaded this from a torrent or unauthorized forum, scan it with Windows Defender and VirusTotal immediately. If it is a crack file, it is designed to bypass DRM and may trigger antivirus flags.

    • On a RTX 4070 + i7-13700K system at 1440p / DLSS Quality:

    Regressions reported:

    Bitdefender, Avast, and Windows Defender have all flagged the 1.037 executable as a false positive, often associating it with PID 1580.

    Add exclusions for:

    If your 1580exe remains corrupted after verification, the game’s depot may be permanently damaged. Uninstall, delete all folders (...\Steam\steamapps\common\Horizon Forbidden West and ...\Documents\HorizonForbiddenWest), then reinstall fresh. This guarantees you get the fully patched 1.038 exe without delta errors.