Why Do Trend Micro Files Get Renamed To _Invalid?

IT Support Forum Forums Antivirus Trend Micro OfficeScan General Discussion Why Do Trend Micro Files Get Renamed To _Invalid?


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    There are a copy of reasons why Trend Micro’s OfficeScan Agent’s installation files get _invalid appended onto them:

    • If you do not shut down the Trend Micro service properly
    • If you are updating Trend Micro and run out of disk space
    • If you get part way through the Trend Micro install or update and it fails

    According to Trend Micro, you can simply remove the _invalid part of the file name; Trend Micro even provide a handy Powershell script to do this for you:

    cd “C:\Program Files (x86)\Trend Micro\OfficeScan\PCCSRV”
    Get-ChildItem -Recurse -Include *_invalid | Rename-Item -NewName { $_.name -replace “_invalid”,”” }

    ❗ Note: You have to run the PowerShell cmdlet as Administrator.
    ❗ Note: Don’t forget to change the directory in the first line to the location of your PCCSRV directory on the OfficeScan server hosting the installation files.

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