Sometimes Windows prevents the installer from "reading" the files to check the version. Right-click the patch installer and select Run as Administrator to bypass permission issues. Fresh Reinstall of the Patch If the error persists, follow these steps: Go to your game folder and delete the folder (backup your Edit file if you have custom players). Re-run the Smoke Patch v4.0 Base Installer
Before doing anything else, confirm exactly which service pack and version your software is currently running. cannot update the patch sp21 v4 was not found in the updated