Sophos Antivirus is a software that protects your device from unknown threats. Uninstalling the Sophos Antivirus software would make your device vulnerable to threats. If you are getting the Sophos Antivirus Error 3005 while uninstalling the software, fix the uninstallation problem with the quick steps mentioned below.
Solution 1: Checking the Sophos group membership
The Sophos Antivirus uninstallation error 3005 may occur if the Sophos Administrator group does not exist.
On your Windows computer, click the Start menu and type ‘cmd’ in the search panel.
Press the Enter key and give a right-click on the Command Prompt app from the search result.
Select the Run as administrator option from the pop-up menu.
If the User Account Control window appears, click the Yes button to allow the app to make changes and fix the Sophos antivirus error 3005.
In the Command Prompt window, type net localgroup sophosadministrator /add, and press the Enter key.
If the Sophos Administrator group does not exist, it will display the ‘The command completed successfully’ message.
If it exists, it will prompt the ‘System error 1379 has occurred’ message.
To add your user account to the Sophos Administrator group, type net localgroup sophosadministrator name /add and press the Enter key.
Next, close the Command Prompt window and try uninstalling the Sophos Antivirus software.
Solution 2: Uninstalling Sophos Antivirus in Safe mode
If you have already turned on your Windows computer, click the Start menu and select Restart.
When your computer restarts, press the F8 key repeatedly until the Advanced Boot Options menu appears.
Select the Safe Mode with Networking option to start your computer in Safe mode.
Run a system scan and remove the virus-infected files from your computer.
Close all the running programs and try uninstalling the Sophos Antivirus software.
If you have difficulties to fix the Sophos antivirus error 3005, contact our technical support team for remote assistance.
Solution 3: Removing Sophos Antivirus from the Windows Registry Editor
Before removing the Sophos Antivirus from the Windows Registry Editor, open the Control Panel app.
Click the Add or Remove icon in the Programs section and select the Sophos Antivirus software from the displayed list.
Click the Change/Remove button and confirm your action.
Close the window and click the Start menu.
Type ‘Regedit’ in the search panel and hit the Enter key to open the Windows Registry Editor.
In the Registry Editor window, type the ‘HKEY_ LOCAL MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall’ file path in the address bar.
Select the Sophos Antivirus software from the displayed list and give a double-click on the UninstallString icon.
Copy the text and close the Windows Registry Editor.
Click the Start menu and paste the copied text in the search panel.
Press Enter and click the OK button to uninstall the Sophos Antivirus program.
This will fix the Sophos antivirus error 3005 and assists you to uninstall the Sophos Antivirus software.