Summary: Under certain conditions, the antivirus software you are using to protect your PC may have an adverse effect on the performance of Sage Accounts. When Sage Accounts creates or accesses a file, the antivirus software can lock the file as it performs a scan. This means that Sage Accounts may slow down or appear to hang as the file is locked by the antivirus software. In extreme circumstances, antivirus software can also affect the stability and general functionality of Sage Accounts. We recommend Symantec Endpoint, for more information on Symantec Endpoint click here.