Manual Uninstall Trend Micro Officescan

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  1. Go to Control Panel Services (services.msc), and stop the following services:
    • OfficeScanNT Listener
    • OfficeScanNT RealTimeScan
    • OfficeScanNT Personal Firewall (if enabled)
  2. Run Registry Editor (regedit.exe).
  3. Navigate to the following registry key

hive:

Even you uninstall Trend Micro OfficeScan Client in Control Panel and remove invalid keys in the registry, there are still some folders left in hard drive. To completely remove Trend Micro OfficeScan Client from your system, you can go to the following locations to delete the folders of Trend Micro OfficeScan Client.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices

  1. Delete the following keys (if available):
    • Ntrtscan
    • Tmlisten
    • TmFilter
    • VSApiNt
    • TMPreFilter
    • TM_CFW
    • OfcPfwSvc
  2. Navigate to the following registry hive:

HKEY_LOCAL_MACHINE SOFTWARETrendMicro

or

HKEY_LOCAL_MACHINE SOFTWARE Wow6432NodeTrendMicro (in 64-bit Windows operating system)

  1. OfficeScan XG SP1 Online Help. If the OfficeScan agent cannot be uninstalled using the above methods, manually uninstall the OfficeScan agent.For details, see Manually Uninstalling the OfficeScan Agent.
  2. Manual Uninstall/Re‐install 1) Close all programs (including Outlook Mail). 2) Uninstall any previous versions of antivirus software currently running on the computer (including Trend). If prompted for an uninstall password for Trend Micro Officescan, there is a registry key to remove the password. It can be found at.
  1. Delete the following keys (if available):
    • OfcWatchDog
    • Pc-cillinNTCorp or OfficeScanCorp (depending on the client)
    • RemoteAgent
    • PC-cillin
    • CFW
  2. Browse to the following registry key hive:

HKEY_LOCAL_MACHINE SOFTWARE MicrosoftWindowsCurrentVersionRun

  1. Delete the OfficeScanNT Monitor key.
  2. Navigate to the following registry key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstall

  1. Delete the OfficeScanNT key.
  2. Delete the OfficeScan program group (Trend Micro OfficeScan Client) from the Windows Start menu.
  3. Restart the computer.
  4. Delete the directories that contain the OfficeScan Client program files, normally located inside Program Files folder.

Above steps work for OfficeScan 7.x client in Windows 2003/XP/2000/NT/Vista/2008 machine. For Trend Micro OfficeScan Corporate Edition (OSCE) – 5.58, OfficeScan Corporate Edition (OSCE) – 6.5, Client / Server / Messaging Suite for SMB – 2.0, follow these manual uninstallation steps instead.

  1. Delete the Trend Micro OfficeScan Client program shortcut in Start Menu, by right click on it and then choose Delete.
  2. Delete the installed files located in the OfficeScan folder under the Program FilesTrend MicroOfficeScan Client directory.
  3. Open the Registry Editor (regedit).
  4. Navigate to the following registry key:

HKEY_LOCAL_MACHINESoftwareTrendMicro

Manually Uninstall Trend Micro Officescan

Remove trend micro officescan agentTrend micro officescan removal tool
  1. Delete the following keys:
    • OfcWatchDog
    • PC-cillin
    • PC-cillinNTCorp
  2. Also delete the following registry hives:
    • HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunOfficeScanNT Monitor
    • HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUninstallOfficeScanNT
    • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesntrtscan
    • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicestmfilter
    • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicestmlisten
    • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTmPreFilter (for Win2003)
    • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesVSApiNt
  3. Right click on My Computer

, click Manage and then select Device Manager.

  1. Enable the Show Hidden Devices option.
  2. Remove the following hidden devices in Non-Plug and Play Drivers tree pertaining to OfficeScan (right-click and select Uninstall):
    • Trend Micro VSAPI NT
    • Trend Micro FILTER
    • Common Firewall Driver
    • NTRTSCAN (if available)
    • TMLISTEN (if available)
  3. Restart the OfficeScan client machine.

Trend Micro Officescan Uninstall Password

Source: http://www.mydigitallife.info/2008/07/18/how-to-manually-uninstall-trend-micro-officescan-corporate-edition-client/