Version: 18.104.22.168 (x64)
Build ID: 9b0d9b32d5dcda91d2f1a96dc04c645c450872bf
CPU threads: 4; OS: Windows 10.0; UI render: default;
Locale: en-US (en_US); Calc: group
I was using Writer 6.0.4 with no problem since I updated it a week ago. Today, I had an automatic Microsoft update to my Windows 10 x64 machine. Since then, I can’t open the Styles/Manage Styles (F11) form.