Depending on UAC settings, one can opt out of the Software Improvement Program via the Change Auditor client under the Help | About menu. On the 'About' tab look to the lower left corner to opt in/opt out of the program.
Additionally, there is a registry key that can be deployed which will accomplish the same result. This would need to be done on any machine running the Change Auditor Client.
Location: HKEY_Local_Machine\Software\Dell\ChangeAuditor
Registry Key Name: CXP
Registry Key Type: String Value
Registry Key Value: False | True