I am trying to modify a form in SLX from a previous developer and it will not open to allow me to make changes. I am getting the following error message  "OLE Control Activation failed"....once it comes up it will not let me do anything or close Architect...all I want to do is modify some text boxes and miror layour changes...any suggestions?

You're opening it in the wrong version of Architect. You need to match the version with the version the original developer used (e.g. if he used v7.5 you can't be using anything earlier than this).