The MpSigDwn.dll is a Signature Download Utility.
This file is part of Windows Defender. MpSigDwn.dll is developed by Microsoft Corporation. It’s a system and hidden file. MpSigDwn.dll is usually located in the %PROGRAM_FILES% sub-folder and its usual size is 134,200 bytes.
The MpSigDwn.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.
We also recommend optimizing your computer.
Author: Microsoft CorporationProcess: Signature Download UtilityPart Of: Windows DefenderCommon path(s): subfolder in %PROGRAM_FILES%
subfolder in %WINDOWS%Keywords(s): systemFilesize(s): 134,200 bytes
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