To replicate the problem maby this works to "create" the problem :
Logon to GNOME
Logoff and login to KDE
Go to System Settings > Apperance > GKT-Fonts
Select Use a other fonts
Apply
Select Use my KDE fonts in GTK applications
Apply
Logoff
Try to login to GNOME....
To replicate the problem maby this works to "create" the problem :
Logon to GNOME
Logoff and login to KDE
Go to System Settings > Apperance > GKT-Fonts
Select Use a other fonts
Apply
Select Use my KDE fonts in GTK applications
Apply
Logoff
Try to login to GNOME....