X.org client rejected messages

[Alastair McKinley <amckinley03 qub ac uk>]

Hi everyone, 

>From time to time, suddenly my apps start not opening properly.

I cant open a terminal or firefox for example.  I get these messages
in /var/log/Xorg.0.log.

AUDIT:Fri Dec9 16:50:36 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:50:36 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:53:52 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:53:52 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:54:13 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:54:27 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:54:28 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:56:33 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:56:51 2005: 4038 X: client 25 rejected from local host
AUDIT:Fri Dec9 16:56:51 2005: 4038 X: client 25 rejected from local host


I dont know what these mean, can anyone give me a hand?

Thanks,

Alastair