Problems can arise when using older versions of TDM plugins with newer versions of Pro Tools. Users should run the "Update Plug-Ins" application on the Pro Tools CD ROM.Pro Tools 5.0.1 Compatibility: www.digidesign.com Tools 4.3 Compatibility: www.digidesign.com of the information on this page conveys information that applies to older Digidesign products. Newer versions of these products may change some of the information above. Please check the current Compatibility Documents and the Web Answerbase for additional information.