send an email to customer support or call customer supoprt. btw are you sure you entered in the key right?
If you have Battlefield 2 Click Start. Go to Run. Type regedit and hit OK button. Click on plus sign next to HKEY_LOCAL_MACHINE. Click on plus sign next to SOFTWARE. Double click on Electronic Arts folder. Double click on EA Games folder. Double click on Battlefield 2 folder. Double click on ergc folder. Data displayed will probably have x9392 only. Right click on it and select Modify. Type in x9392 and then your CD key. note: don’t include hyphens. Example: x9392(your Battlefield 2 CD key here) If you have Battlefield 2: Special Forces Click Start. Go to Run. Type regedit and hit OK button. Click on plus sign next to HKEY_LOCAL_MACHINE. Click on plus sign next to SOFTWARE. Double click on Electronic Arts folder. Double click on EA Games folder. Double click on Battlefield 2 folder. Double click on ergc folder. Data displayed will probably have x9392 only. Right click on it and select Modify. Type in x9392 and then your Battlefield 2 CD key. note: don’t include hyphens. Double click on Battlefield 2 Special Forces folder. Double click on ergc folder. Data displayed will probably have x9392 only. Right click on it and select Modify. Type in x9392 and then your Battlefield 2 CD key. note: don’t include hyphens. note: do not use your Battlefield 2: Special Forces CD key. Example: x9392(your Battlefield 2 CD key here) If the issue persists, you will need to uninstall the game completely and then reinstall and repatch to completely remove and replace corrupted files.