Disable Symantec Endpoint Protection Chrome Extension May 2026

To disable the Symantec Endpoint Protection (SEP) extension in Google Chrome, the method depends on whether your computer is managed by an IT department (using policies) or if you have direct control over the client. For Managed Users (IT Administrators) If the extension was installed via the Symantec Endpoint Protection Manager (SEPM)

Open Registry Editor: Press Win + R, type regedit, and hit Enter. disable symantec endpoint protection chrome extension

Method 2: Disable the Extension through the Chrome Menu To disable the Symantec Endpoint Protection (SEP) extension

Press Windows + R, type gpedit.msc, and press Enter.
Navigate to:
Computer Configuration → Administrative Templates → Google → Google Chrome → Extensions
Double-click "Configure the list of force-installed extensions".
Set it to Disabled or Not Configured. (This removes the forced push).
Next, double-click "Control which extensions are installed silently".
Enable this policy. Under "Options," click "Show" and add the Symantec Extension ID with a value of 0 (blocked).

SEP Web Protection (Legacy): Focuses on URL reputation and download analysis.
Symantec DLP (Data Loss Prevention) Extension: Monitors copy/paste, print, and file uploads.

Before we dive into the how, a crucial warning: Disabling this extension will expose your browsing activity to higher risk. Furthermore, on most managed corporate devices, your IT administrator has locked down Chrome policies. If the extension is greyed out or you see "Managed by your organization," you cannot disable it permanently without admin rights. However, for those on personal machines or legacy systems, here is everything you need to know. Press Windows + R , type gpedit

Stop the Service: Press Win + R, type smc -stop, and hit Enter. This kills the SEP agent and its hooks into Chrome.

2. Prerequisites

Administrative rights on the local machine (if the extension is managed by policy)
Google Chrome browser installed
Symantec Endpoint Protection client installed (version 12.1 or later)
Understanding that disabling the extension may reduce web threat protection

You can bypass certain integrity checks by launching Chrome with the command: Chrome.exe --disable-features=RendererCodeIntegrity. For Individual Users (Mac) [DISCUSSION] Symantec Endpoint Protection | Page 64