To make Planetside work on Windows Vista, one must do the following:
1. Right click on the
Planetside shortcut.
2. Click on the
Compatibility tab.
3. Check the box to enable
Compatibility mode.
4. Change Compatibility mode to
Windows 95.
5. If possible, Check the box that says
Run as Administrator. If it is grayed out, you are most likely already an Administrator.
6.
Play the game.
If by any chance this does not work, Go
http://forums.station.sony.com/ps/posts/list.m?topic_id=88000005971