If you are having any of these issues with ConfigMgr 2007, click the link to find out more.
KB977056 – The memory allocation for the Wmiprvse.exe process keeps increasing when you update the membership rules of a collection frequently on a computer that is running System Center Configuration Manager 2007 SP1
KB978902 – Error message when you try to use a push operation to install System Center Configuration Manager 2007: "Error 5: Access is denied"
KB977057 – A properties setting of a deployment management object is unexpectedly changed on a computer that is running System Center Configuration Manager 2007