You may find it helpful to read our articles on Windows security and password recovery examples. Video section contains a number of movies about our programs in action
Some of our users complained recently that the program fails to run any LM attack for some AMD devices (using at least 2 latest AMD drivers). After some investigation it turns out that AMD compiler crashes and ruins the program unexpectedly after trying to build certain GPU kernels using clBuildProgram function.
We have reported the problem to AMD team and the issue is fixing already. Please keep patience till next driver's update.