При запуске «хранителя экрана» в ASPLinux 10

При запуске "хранителя экрана" в ASPLinux 10 появляется только пустой экран.... 
Вот вывод команды.....

[doom@mag Autostart]$ kdesktop_lock --forcelock

X error in glmatrix:
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  3 (X_GetWindowAttributes)
  Resource id in failed request:  0x7
  Serial number of failed request:  451
  Current serial number in output stream:  452
DCOPReply<>: cast to 'QStringList' error
DCOPReply<>: cast to 'QString' error
[doom@mag Autostart]$ kdesktop_lock --forcelock

X error in glmatrix:
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  3 (X_GetWindowAttributes)
  Resource id in failed request:  0x7
  Serial number of failed request:  438
  Current serial number in output stream:  439
DCOPReply<>: cast to 'QStringList' error
DCOPReply<>: cast to 'QString' error