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Trend Micro Local Web Classification Server fails to start in OfficeScan

    • Updated:
    • 4 May 2021
    • Product/Version:
    • OfficeScan 10.6
    • OfficeScan 11.0
    • Platform:
    • Windows 2003 Enterprise
    • Windows 2003 Standard
    • Windows 2008 Enterprise
    • Windows 2008 Standard

NOTE: You are viewing an archived article because the product(s) tagged is no longer supported or the information mentioned is already outdated.

Summary
The following error occurs when Trend Micro Local Web Classification Server service is starting:
Trend Micro Local Web Classification Server service on Local Computer started and then stopped. Some services stop automatically if they have no work to do, for example, the Performance Logs and Alerts Service.
In the LWCS debug log file, it shows that there was a problem loading uniform resource locator (URL) pattern into memory while trying to start the service.
diagnostic.log ("failed to load pattern" error)
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2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [lwcstmufe.cpp            ( 44)] [TMUFE-4-0] Try to update PTN_CACHE(3.026.05956) to PTN_CACHE(0.000.00000) in 'E:\Program Files (x86)\Trend Micro\OfficeScan\PCCSRV\LWCS\wcspatterns\cache\'
2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [lwcstmufe.cpp            ( 44)] [TMUFE-2-0] DB is empty, ignore pattern binary cache dump.
2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [lwcstmufe.cpp            ( 44)] [TMUFE-1-0] Fail to dump PTN_CACHE(0.000.00000) into 'E:\Program Files (x86)\Trend Micro\OfficeScan\PCCSRV\LWCS\wcspatterns\cache\', err=-413
2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [lwcstmufe.cpp            ( 44)] [TMUFE-2-0] No pattern loaded: skip purging any pattern file
2012/08/24 11:12:22 Pacific Daylight Time [08040] [ INFO] [lwcsconductor.cpp        (272)] Pattern version: 0
2012/08/24 11:12:22 Pacific Daylight Time [08040] [ INFO] [lwcsconductor.cpp        (275)] Failed to load pattern, the version number is zero
2012/08/24 11:12:22 Pacific Daylight Time [08040] [ERROR] [LWCSService.cpp          (467)] LWCSConductor failed to init(3).
2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [NTService.cpp            (206)] [CNTService::SetStatus()]
2012/08/24 11:12:22 Pacific Daylight Time [08040] [DEBUG] [lwcsbwcache.cpp          ( 26)] BWCache dtor
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Further investigation reveals that the C:\Program Files (x86)\Trend Micro\OfficeScan\PCCSRV\LWCS\wcspatterns\ directory is missing the full pattern file “Url00000.xxx” which is used when loading URL pattern into memory during service startup.
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[C:\Program Files (x86)\Trend Micro\OfficeScan\PCCSRV\LWCS\wcspatterns\]
2012/08/20  11:37        <DIR>        cache
2010/05/13  20:56                   0 placeholder.txt                         
2012/08/20  17:03           141537032 Url05956.026                            
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