[Solved]Installing VB Extension_pack-6.1.26 error

As I could not access an USB device from a perfectly working VirtualBox, I tried to add / install (the missing) extension_pack, which yielded the attached message:
System details:
Mageia 8, cinnamon dt, dual boot Mageia and Windows 10, Dual monitor.
Please advise
JJF
Failed to run /usr/lib/virtualbox/VBoxExtPackHelperApp --stdout /tmp/VBoxExtPackHelper-ayqkjk/stdout --stderr /tmp/VBoxExtPackHelper-ayqkjk/stderr --elevated install --base-dir /usr/lib/virtualbox/ExtensionPacks --cert-dir /usr/share/virtualbox/ExtPackCertificates --name 'Oracle VM VirtualBox Extension Pack' --tarball /home/jacob/Downloads/Oracle_VM_VirtualBox_Extension_Pack-6.1.26.vbox-extpack --sha-256 aaa1a1f8615d5bd2e08b158ce6f415262fbb595e169e2d415c5b1844ac258eee.
System details:
Mageia 8, cinnamon dt, dual boot Mageia and Windows 10, Dual monitor.
Please advise
JJF