Can't normally start any program, had such an errors :

X Error of failed request: BadWindow (invalid Window parameter)
Major opcode of failed request: 10 (X_UnmapWindow)
Resource id in failed request: 0xe00001
Serial number of failed request: 174
Current serial number in output stream: 205

err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct!
fixme:d3d:resource_check_usage Unhandled usage flags 0x8.

I'm using mac os x lion

Help, please