Overview

This article provides detailed instructions on how to remove LanGuard manually from the Windows Registry. This applies to the following:

• GFI LanGuard 2012/2014 (LG 11).
• LanGuard 2011 (LG 10).
• LanGuard 12.

Note: Not all keys may be present depending on your situation, You will need to skip the ones that are missing.

Process

1. Delete the GFI LanGuard 10/11/12 Attendant Service:
   • HKLM\System\CurrentControlSet\Services\gfi_lanss12_attservice (LG 12)
   • HKLM\System\CurrentControlSet\Services\gfi_lanss12_winservice (LG 12)
   • HKLM\System\CurrentControlSet\Services\gfi_lanss11_attservice (LG 11)
   • HKLM\System\CurrentControlSet\Services\gfi_lanss10_attservice (LG 10)
2. Delete the product name from Add/Remove Programs:
   • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\C72FCF837A17D2444AAA72C4344940C4 (LG 12)
   • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\95C7070A23B48B8449DE37BB861E5C96 (LG 11)
   • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\C95365D53E2960344AD8F7598B0D4DD8 (LG 10)
3. Delete the GFI LanGuard Agent uninstall key:
   • On a .x64 machine
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\ {38FCF27C-71A7-442D-A4AA-274C4394044C} (LG 12)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{A0707C59-4B32-48B8-94ED-73BB68E1C569} (LG 11)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{5D56359C-92E3-4306-A48D-7F95B8D0D48D} (LG 10)
   • On a x32 machine:
     • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ {38FCF27C-71A7-442D-A4AA-274C4394044C} (LG 12)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{A0707C59-4B32-48B8-94ED-73BB68E1C569} (LG 11)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{5D56359C-92E3-4306-A48D-7F95B8D0D48D} (LG 10)
4. Delete the GFI LanGuard Agent key:
   • On a x64 machine:
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\GFI\LNSS12 (LG 12)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\GFI\LNSS11 (LG 11)
     • HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\GFI\LNSS10 (LG 10)
   • On a x32 machine:
     • HKEY_LOCAL_MACHINE\SOFTWARE\GFI\LNSS12 (LG 12)
     • HKEY_LOCAL_MACHINE\SOFTWARE\GFI\LNSS11 (LG 11)
     • HKEY_LOCAL_MACHINE\SOFTWARE\GFI\LNSS10 (LG 10)
5. Delete per user keys:
   • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\C72FCF837A17D2444AAA72C4344940C4
   • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\95C7070A23B48B8449DE37BB861E5C96
6. Reboot the server (this will allow you to then delete the installation directory).
7. Delete the Program Files (x86)\GFI\LanGuard XX (replace XX with LanGuard version) directory.

Confirmation

After rebooting the server and deleting the installation directory, you will find that GFI LanGuard has been removed successfully.