safe file


Windows Update AutoUpdate Engine

Check your PC to identify errors related to wuaueng1.dll and other slowdown issues.

wuaueng1.dll. What is it?

The wuaueng1.dll is a Windows Update AutoUpdate Engine.

This file is part of Microsoft® Windows® Operating System. Wuaueng1.dll is developed by Microsoft Corporation. It’s a system and hidden file. Wuaueng1.dll is usually located in the %SYSTEM% sub-folder and its usual size is 183,296 bytes.


The wuaueng1.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.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Windows Update AutoUpdate EnginePart Of: Microsoft® Windows® Operating SystemCommon path(s): subfolder in %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 183,296 bytes, 195,544 bytes

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