qt4 interface error: Unable to load extensions module

[ahqzy]

I have installed vlc(1.1.11)， when i run, it show as below:

VLC media player 1.1.11 The Luggage (revision exported)
Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382c96]
Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382de6]
[0x891b228] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplication4initEv+0x36)[0x20479a6]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplicationC2ER23QCoreApplicationPrivate+0x44)[0x2047b24]
Warning: call to srand(1316764328)
./vlc(srand+0x41)[0x8049421]
/usr/lib/libORBit-2.so.0(ORBit_init_internals+0xcb)[0x3c9ff1b]
/usr/lib/libORBit-2.so.0(CORBA_ORB_init+0x1ee)[0x3ca74ee]
Warning: call to rand()
./vlc(rand+0x3a)[0x80497ea]
/usr/lib/libORBit-2.so.0[0x3cc51bb]
/usr/lib/libORBit-2.so.0(link_protocol_get_sockaddr+0x39)[0x3cc4ea9]
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/usr/lib/libgtk-x11-2.0.so.0[0x284cece]
/usr/lib/libgtk-x11-2.0.so.0(gtk_parse_args+0x3c)[0x284d0dc]

(process:15016): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
[0x89b3380] qt4 interface error: Unable to load extensions module

How can I solve it ?

[Rémi Denis-Courmont]

You mean VLC refuses to start?? It looks like your GNOME installation has f***ed up Qt4, which VLC depends on.