Note: This method works only if the extension is not force-installed or locked by Group Policy.
The Symantec Endpoint Protection (SEP) Chrome extension is typically deployed by system administrators to enforce web security policies, such as blocking malicious websites, controlling downloads, and preventing phishing attacks. Because this extension is often classified as "Installed by Enterprise Policy," standard removal methods (like clicking a trash icon) are frequently disabled by the organization's IT department.
This stops the extension only until the next Chrome session.
Why it’s necessary, the risks involved, and three proven methods to turn it off.
If you are reading this, you are likely frustrated. That small, shield-shaped icon in the top-right corner of your Google Chrome browser is causing chaos. Perhaps it is slowing down your page load times, blocking access to a legitimate internal company tool, consuming excessive RAM, or simply triggering false-positive security alerts.
The "Symantec Endpoint Protection Web Protection" extension is installed silently when your IT department deploys Symantec Endpoint Protection (SEP) to your corporate laptop. While its intention is noble—to block malicious websites and phishing attempts—its execution can often feel like a digital straightjacket.
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.
Warning: Only do this if you understand registry editing. Backup first.
This prevents Chrome from loading the extension altogether.
After disabling:
Note: If your device is managed by a corporate IT policy, these options may be grayed out. In that case, you’ll need Method 3.
Disabling the Symantec Endpoint Protection (SEP) Chrome extension varies depending on whether you are an end-user or a system administrator. Below are the methods to manage or disable these extensions. For Individual Users (Troubleshooting)
If you have local permissions and need to temporarily disable the extension for troubleshooting, follow these steps in Google Chrome:
Open Extension Management: Click the three-dotted icon (top right) > Extensions > Manage Extensions.
Toggle Off: Locate the Symantec Endpoint Protection extension and click the blue toggle to turn it gray (Disabled).
Alternative (Complete Stop): If the extension is locked by a policy, you may need to stop the SEP service entirely by opening the Run command (Win + R), typing smc -stop, and clicking OK. Note: This requires administrative rights and may be blocked by Tamper Protection. For Administrators (Policy Management)
Administrators can control whether the extension is deployed or active across the network via the Symantec Endpoint Protection Manager (SEPM): disable symantec endpoint protection chrome extension
Prevent Automatic Installation: In the Intrusion Prevention Policy settings, you can enable the option to manage extensions through third-party tools like GPO or Google Admin, which prevents SEP from automatically force-installing the extension. Disable via Policy: Go to the Policies page in SEPM. Select Intrusion Prevention and edit your active policy.
Under Intrusion Prevention Settings, you can uncheck the option for Browser Intrusion Prevention to unload the extensions from Chrome and Edge.
Tamper Protection: If you cannot disable the extension on a client, ensure Tamper Protection is not locking the settings. This is found under Clients > Policies > General Settings > Tamper Protection. Verification and Monitoring To confirm if extensions are disabled across your fleet:
SEPM Home Page: Check the Endpoint Status for clients with a "Disabled" status.
Client Logs: The system log on the client computer will record an event every time the browser extension is enabled, disabled, or removed.
If you're having trouble because the settings are greyed out, I can help you find the specific Registry keys or Group Policy settings to override them. Would you like instructions for Windows Registry or Active Directory?
Whether you're an IT admin or a home user, managing the Symantec Endpoint Protection (SEP) extension in Chrome often feels like a tug-of-war between security and performance. The Conflict: Why Disable It?
While the extension is designed to block malicious scripts and data leaks, users often find themselves looking for a way to turn it off for a few common reasons:
Performance Drag: Users have reported significant internet bandwidth slowdowns, sometimes dropping speeds from 95 Mbps to under 20 Mbps when combined with other security layers.
Browser Crashes: Incompatibility between certain Chrome versions (like 78 and 79) and SEP can trigger the infamous "Aw, Snap!" error, rendering the browser unusable.
Troubleshooting: Developers and IT staff often need to disable protection temporarily to test internal applications or identify conflicts. How to Disable the Extension 1. Standard Method (For Home Users)
If your settings aren't locked by an administrator, you can manage it directly in Chrome: Open Google Chrome.
Click the three dots (top right) > Extensions > Manage extensions.
Find the Symantec extension and toggle the switch to gray (Off).
Alternatively, right-click the extension icon and select "Remove from Chrome". 2. Administrative Method (For Managed Computers)
In corporate environments, the extension is often re-added automatically by group policies. Administrators can manage this through the Symantec Endpoint Protection Manager (SEPM): Chrome 78 Update & Symantec Endpoint Protection Issue! Note: This method works only if the extension
To disable the Symantec Endpoint Protection (SEP) Chrome extension, you typically need administrative access, as the software is designed to prevent unauthorized removal. Broadcom TechDocs For Managed Clients (via SEPM) If the extension is managed by the Symantec Endpoint Protection Manager (SEPM) , it is often forced via a registry key called ExtensionInstallForceList . To remove it: Disable Browser Intrusion Prevention : In the SEPM console, navigate to Policies > Intrusion Prevention . Disabling the "Browser Intrusion Prevention"
setting for the client group will automatically unload the extension from Chrome. Enable Third-Party Management : For version 14.3 RU9 or later , check the option "Enable third party management of extensions"
. This removes the force-install registry key, allowing you to manage or disable the extension using other tools like Active Directory GPO Google Admin Locking the State
: If the client shows a "Disabled" error after turning it off, select the padlock icon
next to the policy item in SEPM to lock the browser protection in its disabled state. Broadcom support portal For Individual Troubleshooting
If you are troubleshooting a specific machine and have the necessary permissions:
Disabling the Symantec Endpoint Protection (SEP) Chrome extension typically depends on whether it is managed by an administrator. Managed extensions often have the "Remove" button greyed out. Standard Removal Method
If the extension is not locked by your organization's policy: chrome://extensions/ into the address bar. Locate the Symantec Endpoint Protection extension. Toggle the blue switch to to disable it, or click to delete it entirely. Administrator-Managed Extensions
If the extension is "Installed by your administrator," you cannot disable it through Chrome settings alone. You must address the underlying software or policy: Stop the SEP Service (Windows) , and click . This may require an administrator password.
Once the service stops, the extension should no longer function, though it may remain visible. Command Line (Temporary) Right-click your Chrome shortcut and select Properties field, add a space at the end and type --disable-extensions and relaunch Chrome. Note that this disables extensions. University of Wisconsin–Madison Advanced Removal (Enterprise/Permanent)
For persistent removals on Windows, you may need to edit the registry or uninstall the client: Registry Edit : Administrators can remove the extension ID from
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelist to stop it from being forced into the browser. Full Uninstall
: If you have the necessary permissions, uninstalling the SEP client via Add or Remove Programs
or using the product uninstallation key in the registry will remove the browser integration. Broadcom support portal Are you trying to disable this on a personal device company-managed
Symantec Endpoint Protection - Disabling and Enabling Instructions
Disabling Symantec Endpoint Protection Chrome Extension: A Step-by-Step Guide The Symantec Endpoint Protection (SEP) Chrome extension is
Symantec Endpoint Protection (SEP) is a comprehensive security solution designed to protect organizations from various threats. One of its components is the SEP Chrome extension, which provides additional security features for Google Chrome users. However, there may be situations where you need to disable this extension. In this article, we'll walk you through the process of disabling the Symantec Endpoint Protection Chrome extension.
Why Disable Symantec Endpoint Protection Chrome Extension?
Before we dive into the process, let's discuss some scenarios where you might want to disable the SEP Chrome extension:
Methods to Disable Symantec Endpoint Protection Chrome Extension
Here are the steps to disable the Symantec Endpoint Protection Chrome extension:
Method 1: Disable through Chrome Extensions Page
Method 2: Disable through Chrome Group Policy
If you're an administrator, you can disable the extension through Chrome Group Policy:
Method 3: Uninstall through Symantec Endpoint Protection Client
You can also uninstall the SEP Chrome extension through the SEP client:
Re-enable the Symantec Endpoint Protection Chrome Extension
If you need to re-enable the extension, follow these steps:
Method 1: Enable through Chrome Extensions Page
Method 2: Enable through Chrome Group Policy
If you're an administrator, you can enable the extension through Chrome Group Policy:
Conclusion
Disabling the Symantec Endpoint Protection Chrome extension can be done through various methods, including the Chrome extensions page, Chrome Group Policy, or the SEP client. If you're experiencing issues or need to test and troubleshoot, disabling the extension can be a useful step. However, keep in mind that disabling the extension may leave your browser vulnerable to threats, so make sure to re-enable it when you're done.
Here’s a step-by-step guide to disable the Symantec Endpoint Protection (SEP) Chrome extension (usually called Symantec Endpoint Protection Web Security or Symantec DLP).