In late 1994, Microsoft was ready to release Windows 95, its next operating system. An important factor in the value consumers would place on it was the programs that would be able to run on it. Microsoft employee Alex St. John had been in discussions with various game developers asking how likely they would bring their MS-DOS games to Windows 95, and found the responses mostly negative; programmers had found the Windows environment more difficult to develop for compared to MS-DOS or other gaming platforms. There were also strong fears of compatibility; a notable case of this was from "Disney's Animated Storybook: The Lion King" which was based on the WinG programming interface. Due to numerous incompatible graphics drivers from new Compaq computers that were not tested with the WinG interface which came bundled with the game, it crashed so frequently on many desktop systems that parents had flooded Disney's call-in help lines.