You can make these changes to understand the nature of a specific problem. Important This article contains information that shows how to help lower security settings or how to temporarily turn off security features on a computer. If your system performance or stability is improved by the recommendations that are made in this article, contact your antivirus software vendor for instructions or for an updated version or settings of the antivirus software. Note We recommend that you temporarily apply these settings to evaluate system behavior. This article contains recommendations that may help an administrator determine the cause of potential instability on a computer that is running a supported version of Microsoft Windows when it is used together with antivirus software in an Active Directory domain environment or in a managed business environment.