If a previous language pack was broken by a Windows update, reinstalling the language through Vistalizator can sometimes restore functionality. If you'd like, I can: Tell you where to find the official language packs Guide you through installing them on Windows 7 Explain the risks of using Vistalizator in more detail Is vistalizator legal? - Microsoft Q&A
As a third-party tool, it can potentially cause system instability or issues. Steps to Use Vistalizator Vistalizator
Note that using Vistalizator to install restricted language packs may break the Windows End User License Agreement (EULA). If a previous language pack was broken by
Download the Vistalizator executable and the appropriate language packs (MUI files) for your specific Windows version. Vistalizator