corrupted file in firefox

[tomt]

Quick Scanning

Could not open /var/run/user/1000/gvfs
Could not open /usr/lib/thunderbird/hyphenation
Could not open /usr/share/doc/p7zip/changelog.gz
Could not open /usr/share/doc/openssl/changelog.gz
Could not open /usr/share/doc/pavucontrol/README
Could not open /usr/share/doc/libdjvulibre-text/NEWS.gz
Could not open /usr/share/doc/zip/changelog.gz
Could not open /usr/share/doc/libdjvulibre21/NEWS.gz
Could not open /usr/share/doc/p7zip-full/changelog.gz
Could not open /usr/share/doc/python3-cups/NEWS.gz
Could not open /usr/share/doc/attr/changelog.gz
Could not open /usr/share/doc/dialog/changelog.gz
Could not open /usr/share/doc/krb5-locales/CHANGES.gz
Could not open /usr/share/doc/python-cups/NEWS.gz
Could not open /usr/share/man/man1/gcov-tool.1.gz
Could not open /usr/share/man/man1/x86_64-linux-gnu-gcov-tool.1.gz

55864 files scanned in 3 minutes and 38 seconds.
16 errors were encountered.
No viruses were discovered.
No PUAs were discovered.
End of Scan.
linuxlitetomt@linuxlitetomt-550-153w:~$
Did a fresh download of LL and installed. Did an upgrade to latest Firefox and installed Sophos and ran scan. Corrupted file is gone. Thanks to any who responded.