If you had the full (not just the extension):
If the software is installed as a system-level background service, removing the extension isn't enough; you must uninstall the from the operating system. For Windows: Press Windows + R to open the Run prompt. how to remove cisco umbrella from chrome
If Cisco Umbrella was enforced by an administrator (e.g., for a work or school network), you might need to contact your IT department for assistance with removal. Attempting to bypass or remove network security tools without authorization could violate your organization's policies. If you had the full (not just the