Adware or PUA disappeared from quarantine
If an item of adware or PUA detected by Sophos Anti-Virus has disappeared from Quarantine manager without you taking any action, the adware or PUA might have been authorized or cleaned up from the management console or by another user. Check the list of authorized adware and PUAs to see if it has been authorized. To find out how to do this, refer to Authorize adware and PUAs.