This warning is harmless and can be ignored. In order to solve this problem, follow the instructions under Related Solutions to make your User Locale match your System Locale. You will need to restart your PC in order for changes to take effect. This might also propagate an error with the same message. If this is the case, follow the steps below. Note: You might need Admin privileges on your machine in order to change this setting.
1. Go to Control Panel -> Regional and Language Settings.
2. Check to see if the Languages match under the Language Tab and the Advanced Tab.
3. Restart the system.