Libre Office version 4.1.5.3
I would try to re-install or repair the installation. Depending on the OS this could be different.
To be on the save side, I would download from http://www.libreoffice.org/
Thanks for your help, I have installed Version 4.2.1, this is now working ok
I am glad I could help. If you think it is appropriate please check my answer as correct to get you question out of the list of unanswered questions. Thank you.