Go to Applications -> Symantec Solutions -> Symantec Endpoint Protection. The status screen should note any active tasks SEP is performing.To determine if SEP for Mac is in the middle of a scanning operation, you can check the status: Blockage of internet traffic deemed to be an attack on or risk to the network.Lockout by a file caused by quarantining actions.Potential side effects during file scanning may include: Typically, the most resource-intensive task that SEP for Mac performs is running a full scan of a volume. SEP for Mac contains anti-virus/anti-malware protection technologies. Generally, the UCSF SEP client policies are set to allow end users to temporarily disable the SEP protection technologies as a way to help them troubleshoot issues. Before we discuss that option as well as other workarounds, here are some common behaviors that can help you recognize if SEP is just doing its job or instead may be the cause of anomalous issues. Common behavior from the SEP for Mac client

This document will walk you through (1) SEP for Mac's typical misbehaviors and (2) basic troubleshooting guidelines, as well as (3) how to temporarily disable SEP protection technologies and (4) how to get log information that may be needed when calling the Service Desk for further assistance.

The SEP for Mac FAQ page tries to cover common and known issues and is a good place to start if you suspect SEP may be misbehaving. Most issues should subside after the particular SEP protection technology has accomplished its tasks in searching for potential risks and remedying them if possible. SEP for Mac provides anti-virus/anti-malware (AV) protection and network intrusion prevention technologies (IPS), along with added central management and reporting. Its protection technology may inhibit performance or seemingly disrupt any file or folder functionality of your computer.

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