At first glance, windowsupdate.ruximlog seems designed to look official. It contains the trusted string windowsupdate . However, legitimate Windows Update files typically have names like WindowsUpdate.log , wuapi.dll , or wuauclt.exe . They use custom extensions like .ruximlog .
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If this file is related to a Windows Update failure (e.g., Windows Update gets stuck), the third-party software might be interfering with the update process. windowsupdate.ruximlog