Hello,
I installed LibreOffice and the installation went fine.
Then I restarted my computer as requested.
When I try to open a document with LibreOffice I get this popup window:
What should I do?
(Edit: activated screenshot -AK)
The 7.0 is still “prerelease” (RC2 at the time of writing), so some flaws are no great surprise (although most should be eliminated on a release candidate).