Originally Posted by user_none
Everyone on Windows (pretty much everyone) can you uninstall, make sure the Sigil directory in Program files has been deleted, reinstall then check if the issues still persist. I have reports from some users that this has fixed their issues with BV and disappearing text. One ever reported reinstall 0.4.2 over 0.4.905 and the issue persisting. I think there might be an issue with the Qt dlls not being installed properly when installing over an older version.
Point taken. I will reinstall and recheck tonight.