If you're troubleshooting or upgrading or for whatever reason you need to uninstall the Altiris Agent, here are the steps you can use to remove the Agent and all installed Solution Agents from a client machine (it could be easily scripted).
Commands to uninstall Altiris Agent:
* This will remove all sub-agents and attempt to cleanly remove the Altiris Agent from the system.
** This is best practice and could help if we have LoginScript checking existence of this folder.