Disable Symantec Endpoint Protection Chrome Extension -
You can sometimes stop the Smc.exe process via the Windows Task Manager, but it will likely restart itself (or after a reboot). For a quick fix , toggle it off in chrome://extensions .
The extension can be identified by its unique extension ID: . You can verify this by navigating to chrome://extensions in Chrome, enabling Developer Mode (toggle in the top‑right corner), and looking at the ID displayed under the Symantec Endpoint Protection entry.
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)
If you find that the extension is "Installed by Enterprise Policy" and cannot be disabled, it means your organization has locked this setting for security reasons. disable symantec endpoint protection chrome extension
Once the policy updates on client machines, the registry key is removed, and SEP stops interfering with Chrome’s extension management.
Once the updated policy propagates to client machines (usually within 15–30 minutes or after the next policy update cycle), the SEP client will automatically from all affected browsers and stop attempting to reinstall it.
Press Windows Key + R , type regedit , and press to open the Registry Editor. You can sometimes stop the Smc
If you want to remove Symantec entirely, click , locate the Symantec extension ID string from the list, select it, and click Remove .
Some SEP installations become corrupted or require a password that you do not know. In these situations, Broadcom provides a tool called , which is specifically designed to forcibly remove SEP client remnants. CleanWipe will uninstall the SEP client software along with the Chrome extension.
Delete the matching Symantec Extension ID value if found here as well. Restart Google Chrome for the changes to take effect. You can verify this by navigating to chrome://extensions
Navigate to the following path using the left sidebar: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelist
To start it again later, use smc -start in the same way. Method 5: Enterprise Management (Group Policy/Registry)
In newer SEP versions (14.3+), you can modify the installation: