Paradox
Anti-aliasing is now fixed. I need more time to fix shifting (and not break something else). You can work around this by added the extra pixels on the right, then shifting the whole image over in Photoshop by the same amount.
Nofish
If you can have a look in the Event viewer, hopefully there is something there that might help diagnose this. You need to get to the Computer Management console. In Win7, right-click the Computer icon on the desktop and pick Manage. Then System Tools->Event Viewer->Windows Logs->Application. Look for errors referencing the EXE.