Process name: Sophos Anti-Virus detection system service
sweepsrv.sys is a process belonging to Sophos Anti-Virus which protects your computer against Internet-bound threats such as spyware and trojans which can be distributed through e-mail or attack directly to the computer allowing unauthorized access to your computer. This program is important for the stable and secure running of your computer and should not be terminated.
Recommendation
sweepsrv.sys should not be disabled as it is required for essential applications to function properly.