Editing text hanging up microstation

I am unable to edit the BOLD font. I can edit other text in files but when I try and edit the BOLD font usta hangs up and I have to use Task Manager to close usta.

Is it just me or have others had this problem?

FYI, the files I am editing started off as V8 2004, I was just using V8i to attach a pdf.

Ver 08.11.07.443

Thank you for any help