Hi Shawn,
You may face this issue if language pack files are corrupted or due to third party software conflict. Follow these methods and check if it helps:
Method 1: Try uninstalling and reinstalling the language pack and check if it helps:
Language packs are available for Windows 8 and for Windows RT
http://support.microsoft.com/kb/2607607/en-us
Method 2:
Step 1:
Check if you face the similar issue in Safe Mode, if not you can try putting your computer in a Clean Boot state in normal mode and check if it helps:
Start your computer in safe mode
http://windows.microsoft.com/en-gb/windows-8/windows-startup-settings-including-safe-mode
Step 2:
Follow the Microsoft KB article to perform clean boot on the computer. A clean boot helps eliminate software conflicts.
How to perform a clean boot in Windows 8.1, Windows 8, Windows 7, or Windows Vista
http://support.microsoft.com/kb/929135
Disclaimer: After you have finished troubleshooting, follow these steps from section “How to reset the computer to start as usual after clean boot troubleshooting” to reset the computer to start as usual.
Also refer this article: Adding a language or keyboard
http://windows.microsoft.com/en-gb/windows-8/add-language-keyboard
Hope this helps. If you need further assistance with Windows, let us know and will be glad to help.