New install of Virtualbox on Cauldron (mga6)
Same problem and resultion as in my post above.
Actually it is the same system, but i uninstalled virtualbox, upgraded mga5 to cauldron three monts ago or so, and first now want to use virtualbox again so installed it,
...and by using virtualbox GUI menu Archive > Look for updates , had it look for and install correct extpack, but failed with:
Spoiler:
All paths it listed existed except /usr/lib64/virtualbox/ExtPackCertificates, so i created it but that did not help.
Then I just did as described before
Spoiler: