“Host closed connection” is an error that occurs in Hell Let Loose when there is a permission related issue. If you get demoralized by this, don’t give up! because there is a quick fix for it.
Fix 1: Run Steam as an Administrator
In order to do that, follow these steps:
- Close Steam.
- Navigate to Steam installation folder (Default: C:\Program Files (x86)\Steam).
- Look for “Steam.exe” there and Right-click on it.
- Choose “Properties“.
- Go to “Compatibility” tab and you’ll see there is a checkbox called “Run this Program as an Administrator“.
- Check it and click Apply.
- Close the window.
- Launch Steam again.
That’s all. This will fix “Host closed connection” error in this game. Now you can enjoy Hell Let Loose all day 🙂