I have ACT 2006 and I am synching with a Samsung I 760 using companion link software. Everything worked fine and I got a new computer and now I can't get my computer to synch my ACT data with my phone. I called Companion Link and they stated that they have had this error alot lately and it is becasue my computer has the micrsoft.netframeowrk 2.0 installed on it. Tech support said I can uninstall this program and everything will work fine but it may effect my other programs. The other option is to upgrade to ACT 2008.