PREfast Reset

A PREfast Reset command deletes a PREfast for Drivers Defect Log. Use this command to prepare PREfast for Drivers for a clean run. This command does not delete the error log (.err) or the build log (.log) created by the Build utility.

prefast [/log=LogFile] reset



  • **/log=**LogFile
    Deletes the specified Defect Log The default location of the Defects.xml file is %APPDATA%\Microsoft\PFD.

    For Windows Vista, the %APPDATA% variable becomes <drive>:\Users\<user>\Application Data.

    For Windows XP or Windows Server 2003 the %APPDATA% variable becomes <drive>:\Documents and Settings\<user>\Application Data.


prefast reset
prefast /log=d:\usbdriver\pfdlog.xml reset


The components of this command must appear in the order shown in the Syntax section.



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Build date: 5/3/2011