Alan Wake's American Nightmare v1.01 release notes:

* Fixed a rare startup crash on some systems
* Fixed VSync enabling - in some cases it wasn't enabled even if it was set to ON in the menus
* Fixed holding a flare when the user keeps the middle mouse button pressed
* Fixed a typo in Italian translation
* Improved loading times
* Please see our forum for up to date troubleshooting and update information: http://forum.alanwake.com/showthread.php?t=7759