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Subject: Methods for disabling or removing the Symantec Endpoint Protection browser extension in Google Chrome. Date: October 26, 2023 Scope: This report covers procedures for end-users and administrators, as well as the functional impact of removal.
Would you like the extension ID or instructions for a different browser (Edge/Firefox)?
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!
If you are looking for the immediate method to do this without a software update, follow these steps:
regedit).HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions OR HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome\ExtensionInstallForcelistpkedcjkdefgpdelpbcmbmeomcjbeemfm (or similar).chrome://extensions menu.To disable the Symantec Endpoint Protection (SEP) Chrome extension, you can either manually remove it from the browser or use a management policy if it is centrally controlled by your organization. Manual Disablement (Local Machine)
If you have local administrative rights and the extension is not locked by a policy, you can remove it directly in Chrome: Google Chrome chrome://extensions/ in the address bar. Locate the Symantec Endpoint Protection extension. Toggle the switch to or click the button to delete it. Disable via Policy (Managed Environments)
In a managed environment, the extension is often reinstalled or re-enabled automatically unless the central policy is changed in the Symantec Endpoint Protection Manager (SEPM) Browser Intrusion Prevention:
To completely unload the extension, an administrator can disable the Browser Intrusion Prevention (BIPS) feature within the Intrusion Prevention policy. Third-Party Management: For version 14.3 RU9 and later
, administrators can enable the option to manage extensions through third-party tools like Active Directory GPO or Google Admin, which prevents SEP from automatically installing its own extension. Locking Settings: disable symantec endpoint protection chrome extension
If the "Disable" option is grayed out on the client side, the administrator likely has the setting "locked" with a padlock icon in the SEPM console, preventing user changes. Broadcom support portal Troubleshooting "Aw, Snap" Errors
If you are trying to disable the extension because Chrome is crashing (common in older SEP versions like Chrome 78/79), you can use a temporary command-line flag: Right-click your Chrome shortcut and select Properties field, add the following to the end of the existing text: --disable-features=RendererCodeIntegrity Spiceworks Community Are you attempting to disable this for a personal machine or across an enterprise network AI responses may include mistakes. Learn more
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):
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?
Disabling the Symantec Endpoint Protection Chrome Extension: A Step-by-Step Guide
The Symantec Endpoint Protection (SEP) Chrome extension is a security tool designed to protect users from online threats while browsing the internet. However, there may be situations where you need to disable or remove this extension, such as troubleshooting browser issues or switching to a different security solution. In this article, we'll walk you through the process of disabling the Symantec Endpoint Protection Chrome extension.
Why Disable the Symantec Endpoint Protection Chrome Extension? Would you like the extension ID or instructions
Before we dive into the steps, let's briefly discuss some scenarios where disabling the SEP Chrome extension might be necessary:
Disabling the Symantec Endpoint Protection Chrome Extension
To disable the Symantec Endpoint Protection Chrome extension, follow these steps:
chrome://extensions/ in the address bar and press Enter.Alternative Method: Disabling through the Chrome Menu
Alternatively, you can disable the SEP extension through the Chrome menu:
Temporarily Disabling the Extension
If you only need to disable the extension temporarily, you can use Chrome's built-in feature to disable extensions for a specific period:
Removing the Symantec Endpoint Protection Chrome Extension
If you no longer need the SEP extension, you can remove it from Chrome:
To disable the Symantec Endpoint Protection (SEP) Chrome extension, you can use the standard browser settings if it is unmanaged, or advanced administrative tools like the Symantec Endpoint Protection Manager (SEPM) or Windows Registry if it is locked by an organization. 1. Disable via Chrome Extension Settings (Unmanaged)
If the extension was installed manually and is not managed by your organization, you can disable it directly through the Google Chrome Extension Manager:
Open Chrome and click the three dots in the top-right corner. Select Extensions > Manage Extensions. Locate the Symantec Endpoint Protection extension. Toggle the blue switch to Off (it will turn gray).
Alternatively, click Remove to delete it entirely from the browser. 2. Disable via Symantec Endpoint Protection Manager (SEPM)
For administrators, the most effective way to remove the extension across a network is by modifying the Intrusion Prevention System (IPS) policy:
Log in to the Symantec Endpoint Protection Manager (SEPM) console. Go to Policies and select Intrusion Prevention.
Edit the active policy and navigate to Windows Settings > Browser Intrusion Prevention. Uncheck Enable Browser Intrusion Prevention.
Save and assign the policy to the desired client groups. This action will automatically unload the extension from Chrome once the client updates its policy. 3. Disable using the "Smc -stop" Command which is rare).
If you have local administrative rights and need to temporarily disable the entire SEP client (including the extension) for troubleshooting, use the SMC command: Press Win + R on your keyboard to open the Run dialog. Type smc -stop and click OK.
The SEP service will stop, and the browser extension will cease to function. To restart it later, use the command smc -start. 4. Remove via Windows Registry (Forced Installation)
If the extension is "Managed by your organization" and cannot be toggled off, it may be forced via the Windows Registry:
Subject: Detailed Review: How to Disable the Symantec Endpoint Protection Chrome Extension
Review Body:
I’ve been using Symantec Endpoint Protection (SEP) for a while now, and while the core antivirus and firewall features are solid, the Chrome extension that comes bundled with it can be more intrusive than helpful for certain users. After troubleshooting performance issues and website compatibility problems, I finally figured out how to disable the SEP Chrome extension without uninstalling the main protection. Here’s my detailed walkthrough and review of the process.
If the extension is "Forced Installed" via Group Policy Object (GPO) or MDM, you cannot disable it... or can you? There is a workaround, though it is tedious.
The "Temporary Unload" trick:
chrome://extensions/ into Chrome.nmgcfpbdbbbfaapcpbjpakbijjfcojceIf it is locked, you cannot remove it permanently. However, developers often use this trick:
chrome://extensions/ page, keep Developer mode ON.The Nuclear Option (Not recommended): You can disable the extension by renaming the SEP install folder, but this breaks the entire antivirus and will likely trigger a security alert to your IT department.
Disabling the Symantec Endpoint Protection Chrome extension is technically simple (Method 1), but administratively difficult (Method 3). If you are on a personal computer, turn it off without guilt. If you are on a corporate laptop, do not attempt to hack the Chrome Policy files—you will likely trigger a security incident ticket.
The safest path: Call your IT helpdesk. Say: "The SEP extension is blocking access to [specific website]. Can you either whitelist that domain for me or temporarily disable the browser plugin?"
Most IT teams will say no, but some will say yes. It never hurts to ask.
Disclaimer: The information provided is for educational purposes. Disabling company-mandated security software may violate your employment agreement. Always consult your IT department first.
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).
Before you pull the trigger, consider these scenarios where disabling SEP is a terrible idea:
The Symantec extension is specific to Chromium browsers (Chrome, Edge, Brave, Vivaldi). It does not install on Firefox or Firefox ESR.
This is the single best non-admin solution.
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