Thanks for your collaboration.
We need more information about your version of KDE and Kate used. You can find this with command dpkg -l kate. Before of this a full update could be useful to avoid that bug was fixed yet.
Please do further a test with other application of KDE (e.g. Konqueror) and non KDE (e.g Firefox, Openoffice ... ) and post your results.
Thanks in advance.
Thanks for your collaboration.
We need more information about your version of KDE and Kate used. You can find this with command dpkg -l kate. Before of this a full update could be useful to avoid that bug was fixed yet.
Please do further a test with other application of KDE (e.g. Konqueror) and non KDE (e.g Firefox, Openoffice ... ) and post your results.
Thanks in advance.