Check the box that says Click Apply and then OK . Launch the game. Solution 2: Use the Registry Editor (Manual Fix)
| Error | Quick Fix | Advanced Fix | |-------|-----------|---------------| | "Please enter Registration Code" | Repair game installation | Manual registry edit | | "Registry is corrupt and has been altered" | Run RA3 Corrupt Registry Fixer | Add ergc registry key manually | | Steam's %CDKEY% placeholder | Use Ra3CDKeyFix tool | Edit installscript.vdf | | Error after manual patching | Repair game | Reinstall without patches | | Physical CD won't verify | Re-enter code via Support folder | Register with EA.com |
Navigate to the following path depending on your operating system architecture (64-bit is most common):