Windows Defender 0x80070003: The system cannot find the path specified.
Shrnutí: A Windows Server machine may display warnings indicating that Windows Defender protection is not running. The following error code is provided as a cause: 0x80070003: The system cannot find the path specified. ...
Příznaky
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The Event Viewer may contain the following entry:
Windows could not start the Windows Defender Antivirus Service service on the local computer. Error 2: the system cannot find the file specified.
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The Defender service itself may show as stopped in the services console. Trying to start it results in the following error: Error 126: The specified module could not be found.
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Also, the following error codes may be displayed in Server Manager or visible in Event Viewer System or Application logs:
0x8007007e: Antimalware protection has stopped functioning for an unknown reason.
0x80070003: The system cannot find the path specified.
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Standard repair commands such as the ones listed below fail to resolve the condition:
SFC /ScanNow
DISM.exe /Online /Cleanup-image /Restorehealth
Příčina
A possible cause for this behavior is an unintended deletion of the following folder (or contents of it) on the affected system:C:\ProgramData\Microsoft\Windows Defender\Platform\<Platform Version>
This may be the result of aggressive settings of an additional third-party anti-virus software installed on the system.
Řešení
If the C:\ProgramData\Microsoft\Windows Defender\Platform\<Platform Version> directory is missing or empty, you can copy it (and its contents) from a system with a similar operating system and Windows Defender platform version onto the affected system.
After this and a reboot, the Windows Defender service starts.
Další informace
If a second, non-Microsoft anti-virus software is present, follow the guidance and best practices documented here