Let the process finish. It may take some time as it "hashes" (checks) your existing files for integrity. Troubleshooting Common Issues
Ensure the installer is pointing to your main Arma 3 root folder (where arma3.exe lives). armaiiiupdatefromv216tov218elamigospa
Many modern DLCs and Creator DLCs (like Western Sahara or Spearhead 1944 ) require at least v2.18 to function without crashing. Let the process finish
New commands for mission creators that allow for more complex AI behavior. Why Use the ElAmigos Update Patch? armaiiiupdatefromv216tov218elamigospa
Go to Documents\Arma 3 and copy your profile folder. Updates can occasionally reset keybindings or campaign progress.