Installing/Uninstalling CA ARCserve D2D On Demand › Installation Considerations › How the Installation Process Affects Operating Systems › User Mode Driver Framework

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User Mode Driver Framework

CA ARCserve D2D On Demand uses the "WUDFRd.sys" driver, which is published by Microsoft and is part of UMDF (User Mode Driver Framework). This driver is not WHQL (Windows Hardware Quality Labs) signed.