<div class="gmail_quote">On Tue, Jul 10, 2012 at 3:49 AM, Linux User <<a href="mailto:bootinglinux@gmail.com" target="_blank">bootinglinux@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I am facing problems with GTK apps such as Gedit, Firefox or Chrome. When I try to copy content, the selected content becomes transparent. I am running Kubuntu 12.04. Suggestions. LB -- kubuntu-users mailing list <a href="mailto:kubuntu-users@lists.ubuntu.com" target="_blank">kubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/kubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/kubuntu-users</a> </blockquote></div> I would go to System Settings; Application Settings; Colors Each of the choices results in different application appearances. I suspect that a set of colors appears produces results that depend on your systems hardware. Why else would some of these be set to produce foreground and background combinations that are unreadable. Let me know if this helps.