1. If you can't run games

2. If you use Internet Explorer 4.0 or the lower versions

3. If you didn't install Shockwave plug-in 8.5

- The latest Macromedia Shockwave plug-in is version 8.5 Previous versions will be updated automatically when running a game.

- Shockwave automatic update takes time, and it depends on the user's Internet speed.If you stop plug-in updating during the procedure Shockwave plug-in can have problems.