hi, Ive downloaded ADE 1.20 and it seems to install ok but when I try to run it I recieve the following error; "The application failed to intialise properly (0xc0000135).Click on OK to terminate" . Ive tried a reinstalation and download with the same results! Im running fsx on XP pro.4Gb memory.3Ghz dual core.7900Gt.XFi. Any help is apreciated as first posting and new to this forum!