To manually uninstall the OSCE server:

1. Open the Command Prompt, then go to the ..\PCCSRV directory. Once inside, run the following command:

   svrsvcsetup -uninstall

2. Delete the Officescan virtual directories in Internet Information Services (IIS) if they exist:
   1. Open the IIS console.
   2. Expand the.
   3. Delete specific OfficeScan virtual directories:
      • If you installed OfficeScan on a separate website, go to the Web Sites folder and delete the following:
        • OfficeScan
        • Local Web Classification Server
        • Smart Scan Server (Integrated)
      • If you installed OfficeScan under Default Web Site, go to Default Web Site and then delete the virtual directories from there.
   4. Open the Registry Editor.
       

      Always back up the whole registry before making any modifications. Incorrect changes to the registry can cause serious system problems.
   5. Remove the following entries if they exist:
      • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
        • Ofclogrecvsvc
        • OfcAOSMgr
        • Ofcservice
        • OfficeScanCMAgent
        • OSCEIntegrationService
        • Perf_iCrcPerfMonMgr
        • Perf_LWCSPerfMonMgr
        • Perf_OscePerfMonMgr
        • Perf_TMCSSPerfMonMgr
        • TMiCRCScanService
        • TMLWCSService
      • HKEY_LOCAL_MACHINE\SOFTWARE\
        • For Officescan 10.6 Servers (32-Bit or 64-Bit), remove the following if they exist:
          • [Common]
            • Microsoft\Windows\CurrentVersion\Uninstall\OfficeScan Management Console-
            • Microsoft\Windows\CurrentVersion\Uninstall\{5DB0ECA1-4C56-488B-9BF1-FB300D9E1F54}
            • Trend Micro\OfficeScan
            • TrendMicro\Solar
            • TrendMicro
               

              This is optional. Do not delete if there other Trend Micro products installed.
            • Trend Micro Inc.
               

              This is optional. Do not delete if there other Trend Micro products installed.
            • Wow6432Node\TrendMicro
            • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
              • OfcAOSMgr
              • Ofcservice
              • OfficeScanCMAgent
              • OSCEIntegrationService
              • Perf_iCrcPerfMonMgr
              • Perf_LWCSPerfMonMgr
              • Perf_OscePerfMonMgr
              • Perf_TMCSSPerfMonMgr
              • TmiCRCScanService
              • TMLWCSService
            • HKEY_LOCAL_MACHINE\Software\
              • [32-Bit]
                • Microsoft\Windows\CurrentVersion\Uninstall\OfficeScan Management Console-
                • Microsoft\Windows\CurrentVersion\Uninstall\{5DB0ECA1-4C56-488B-9BF1-FB300D9E1F54}
                • Trend Micro Inc.
                   

                  This is optional. Do not delete if there other Trend Micro products installed.
                • TrendMicro
                   

                  This is optional. Do not delete if there other Trend Micro products installed.
              • [64-Bit]
                • TrendMicro
                • Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\OfficeScan Management Console-
                • Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{5DB0ECA1-4C56-488B-9BF1-FB300D9E1F54}
                • Wow6432Node\Trend Micro Inc.
                • Wow6432Node\TrendMicro
        • For Officescan 11.0 Servers (32-Bit or 64-Bit), remove or edit the following if they exist:
          • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\6030E61781384634B8F8C04C9E73B6CA]
          • [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\OfficeScan Management Console--]
           

          Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{5DB0ECA1-4C56-488B-9BF1-FB300D9E1F54}, then select and modify the SystemComponent key by changing its value to "0". The default is "1".
   6. Close the Registry Editor.
   7. Go to\PCCSRV folder and undo the sharing of the ..\PCCSRV folder.

      Example: C:\Program Files\Trend Micro\OfficeScan\PCCSRV folder

   8. Reboot the machine.
   9. Delete the\PCCSRV folder.
   10. Delete the "Trend Micro OfficeScan Server-<ServerName" shortcut in Start > All Programs.