I have had trainz 2006 installed on my computer since July, 2009 And have had no problems until the beginning of this week I purchased a 90 first class ticket in November 09. I am running windows vista I don't know if this is a trainz issue or not I've tried turning off my firewall to see if maybe this was a problem but still no luck I did install a new anti virus program in December 09 but all trainz items were working fine I can still play trainz but cannot start the CMP at all I can go to DLS put things in download cart but click to download and nothing, same when I go to trainz start menu and click on CMP and it won't start. Thanks. If you any suggestions it would be greatly appreciated also if more info is needed please let me know. Tim and son