Libreoffice is broken

I would concentrate on this. It sounds like, libreoffice started but the window is not visible to you. I would stop “installing/reinstalling/removing” libreoffice.

Maybe:

  1. Libre Office Writer Window No Longer Visible

  2. Main UI of all applications won't show all of a sudden - English - Ask LibreOffice

  3. If you alt-tab (task switcher), does it show up and is it selectable.

  4. Is there some indication (i.e., icon) that libreoffice is running from the KDE panel. Hover over the KDE panel. If there is, you can right-click, select More and select a window property like resize, maximize, etc.

  5. The below was probably a typo, but did you delete the contents of $HOME/.cache/ (notice the . in front of cache). Logoff/on after doing the remove.

  1. [Solved] LibreOffice Writer misbehaving / Applications & Desktop Environments / Arch Linux Forums
    Note the wmctrl -r libreoffice -e 0,128,128,512,512 command.

This seems like a common issue, where libreoffice is running but the window is not visible for whatever reason.

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