I am trying to install Qt-5.3.2 on CentOS 6.5, and here is the error

Qt: Session management error: None of the authentication protocols specified are supported
Warning: X Error: BadAccess (attempt to access private resource denied) 10
Extension: 130 (MIT-SHM)
Minor opcode: 1 (X_ShmAttach)
Resource id: 0xff

Warning: X Error: BadShmSeg (invalid shared segment parameter) 128
Extension: 130 (MIT-SHM)
Minor opcode: 5 (X_ShmCreatePixmap)
Resource id: 0xdc

Warning: X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x2800013

And i am connected to this maichine via VNC viewer

Thanks for your Help