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"The installer could not extract the required files" appears when installing the Worry-Free Business Security (WFBS) Agent

    • Updated:
    • 30 Dec 2019
    • Product/Version:
    • Worry-Free Business Security Standard/Advanced 7.0
    • Platform:
    • Windows 2003 Enterprise
    • Windows 2003 Small Business Server
    • Windows 2003 Standard
    • Windows 2008 Enterprise
    • Windows 2008 Essential Business Server
    • Windows 2008 Small Business Server
    • Windows 2008 Standard
    • Windows 7 32-bit
    • Windows Vista 32-bit
    • Windows XP Professional

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an archived article because the product(s) tagged is no longer supported or the information mentioned is already outdated.


The WFBS Security Agent (SA) failed to install. You got the following error message instead:

Installation Unsuccessful. The installer could not extract the required files.
Search the Trend Micro Support site for "Error code 221".

Installation Unsuccessful

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