$ evince my.pdf
Maximum number of clients reachedUnable to init server: Could not connect: Connection refused
Cannot parse arguments: Cannot open display:

$ wine PDFXCview.exe my.pdf
047d:fixme:ver:GetCurrentPackageId (0x32fbc4 (nil)): stub
Maximum number of clients reached047d:err:winediag:x11drv_init_thread_data x11drv: Can't open display: :0. Please ensure that your X server is running and that $DISPLAY is set correctly.