Manually uninstalling OfficeScan 8.0 clients

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Solution ID Last Updated
1037456 Jul. 19, 2013 2:36 AM (PST)


Product / Version Platform
OfficeScan - 8.0;
Windows - 2000 Advanced Server, 2000 Server, 2003 Enterprise Server, 2003 Standard Server Edition, Vista 32-bit, XP Professional

Problem Description

Use this procedure if you are unable to properly uninstall the OfficeScan 8.0 client from the Start Menu or the Control Panel.

Solution

       

Please do the following:

   

Note: Make sure you have logged on using an account with Administrator privileges.

   

1.

Right-click on the OfficeScan system tray icon then select Unload OfficeScan. If you are asked for a password, enter the unload password then click OK. Proceed to step 4.

   
  If you do not know the password, proceed to the next step.
   

2.

Open the Windows Services console (services.msc).

   

3.

Stop the following services:

 

OfficeScanNT Listener

 

OfficeScanNT RealTime Scan

 

OfficeScanNT Personal Firewall

   

4.

Click Start > Programs, right-click on Trend Micro OfficeScan Client then click Delete.

   

5.

Open the Registry Editor (regedit.exe).

   
 

Important: Always make a back up copy of the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.

   

6.

a.

Delete the following registry key(s):

   

If only the OfficeScan client program is installed:
HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro

   

If there are other Trend Micro products installed:
HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\NSC
HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\OfcWatchDog
HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\PC-cillinNTCorp

     
 

b.

Delete the following registry key:

   

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OfficeScanNT

     
 

c.

Delete the following registry value:

   

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Name: OfficeScanNT Monitor (REG_SZ)

     
 

d.

Delete all instances of the following registry keys in the following locations:

   

Locations:

   

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

   

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services

   

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services

   

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services

   

Keys:

   

ntrtscan

   

tmcfw

   

tmcomm

   

TmFilter

   

Tmlisten

   

tmpfw

   

TmPreFilter

   

TmProxy

   

tmtdi

   

VSApiNt

   

ntrtscan

   

7.

Close the Registry Editor.

   

8.

Click Start > Settings > Control Panel then double-click System.

   

9.

Click the Hardware tab then click Device Manager.

   

10.

Click View > Show hidden devices.

   

11.

Expand Non-Plug and Play Drivers then uninstall the following devices:

 

tmcomm

 

Trend Micro Filter

 

Trend Micro PreFilter

 

Trend Micro TDI Driver

 

Trend Micro VSAPI NT

   

12.

Uninstall the Common Firewall Driver:

 

a.

Right-click on My Network Places then click Properties.

     
 

b.

Right-click on Local Area Connection then click Properties.

     
 

c.

On the General tab, select Trend Micro Common Firewall Driver then click Uninstall.

     
 

For Windows Vista clients, do the following:

 

a.

Right-click on Network then click Properties.

     
 

b.

Click Manage network connections.

     
 

c.

Right-click on Local Area Connection then click Properties.

     
 

d.

On the Networking tab, select Trend Micro Common Firewall Driver then click Uninstall.

   

13.

Restart the computer.

   

14.

Delete the following directory:

 

If only the OfficeScan client program is installed:
C:\Program Files\Trend Micro

 

If there are other Trend Micro products installed:

C:\Program Files\Trend Micro\OfficeScan Client

   
   
   

Related solutions:

Manually uninstalling the OfficeScan 8.0 server


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