Disable Symantec Endpoint Protection Chrome Extension -
Open Chrome again and navigate to chrome://extensions . The Symantec Endpoint Protection extension should now be removed or disabled.
While security software protects your system, certain situations require turning it off temporarily or permanently:
: Manually deleting these files may cause the SEP client to report a "Browser Intrusion Prevention is malfunctioning" error in your system tray.
: Click the padlock icon next to the setting to "lock" it in a disabled state. This prevents the client UI from showing a "malfunctioning" error and instructs the SEP agent to unload the extension from all client browsers. 2. The Troubleshooting Way (Local Client) disable symantec endpoint protection chrome extension
Hover over and select Manage Extensions . Alternatively, type chrome://extensions/ into your address bar and press Enter. Locate the Symantec Endpoint Protection card.
Administrators can control whether the extension is deployed or active across the network via the :
For most users, the simplest and most effective method is to have an IT administrator disable the feature via the SEP policy. This ensures long-term stability and prevents the extension from reappearing. For users with local admin access, the PowerShell method provides a quick and direct solution. Open Chrome again and navigate to chrome://extensions
On macOS, managed Chrome extensions are controlled via property list ( .plist ) configuration profiles. You can remove the force-install policy using the Terminal. Close .
Log in to the console. Navigate to Policies and select Intrusion Prevention . Edit the active policy and locate the Windows Settings tab. Uncheck the option for Enable Browser Intrusion Prevention .
If you are in this loop, the only permanent solution is to contact your company's IT helpdesk. You can request that they place your user account or machine into an organizational unit (OU) with an alternate policy, or ask them to whitelist the specific development tools and URLs that Symantec is breaking. To help find the right fix, let me know: : Click the padlock icon next to the
If the extension was installed via Group Policy and you have administrator access, you can manually remove the "force-install" instruction from the Windows Registry. [DISCUSSION] Symantec Endpoint Protection | Page 64
Every time your computer restarts or connects to the corporate network, the domain controller audits your machine. If it notices the Symantec Chrome extension is missing or turned off, it pushes the policy file again and forces the installation.
In enterprise environments, the Symantec extension is often locked by a group policy, displaying a greyed-out switch and a building icon ("Managed by your organization"). If you have local administrator privileges, you can force-remove the enforcement through the Windows Registry.