> Or he installed runtimes wrong, becouse if you are using Dx8 version, in installer there is specifing location where files will be installer (system32 or 64) and if he blindly just clicked next,nEXT,NEXt,install, it will install files to non-existing place What directory(s) does he need to place the files? > It should happen to you to. It is a subscript out of range. Try debugging by enabling it in config.ini debug = 1 > > If the error has an error handler the error should show up in the data files\log\ folder. Paste all content here. He's the only one getting the error, the client works fine for me so I assume it has something to do with the installation of his runtime files/etc. I'll get him to debug it though, thank you.