Hi,I have just re-installed Radar Contact V.4.3, however I am getting Run Time error 713 - Class not registered You need the following file to be installed on your machine, MSSTDFMT.DLL I then try and Rebuild the Scenery Database, I get the following RC rebuilding r4.csb, running MarkRwys.exe when I click ok i get Run-time error 75 Path/File Access error. Any advise help would be appreciated, I have tried looking in the FAQ and the Support Forum but can't find anything. Regards, Gerard Crowley.