I did what Saramon said and the slow deletion problem was solved: SaramonMaking moves Options 04-30-2024 05:08 PMFor Windows Anti-Virus goto:Virus & Threat Protection Settings > Exclusions > Add or remove ExclusionsAdd following folders: (Just addi...
I did exactly as you said and restarted the Thunderbird email client and the slow delete problem was fixed. Now works again as expected. Thanks so much!