What is wuauserv.dll?
Wuauserv.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if wuauserv.dll belonging to the Windows system or an application you can trust.
Wuauserv.dll file information
Description: Wuauserv.dll is not essential for the Windows OS and causes relatively few problems. wuauserv.dll is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 25,944 bytes (23% of all occurrences), 22,520 bytes and 5 more variants.
The service can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. Wuauserv.dll is not a Windows core file. The file has a digital signature. wuauserv.dll seems to be a compressed file. Therefore the technical security rating is 19% dangerous.
If you experience any issues with installation of wuauserv.dll, you can also uninstall the associated program (Start > Control Panel > Add/Remove programs > Windows) or turn to the software developer, Microsoft, for advice.
Recommended: Identify wuauserv.dll related errors
If wuauserv.dll is located in a subfolder of "C:\Program Files", the security rating is 2% dangerous. The file size is 6,656 bytes. The program is not visible. The file is a trustworthy file from Microsoft. The file is not a Windows system file. wuauserv.dll seems to be a compressed file.
Important: Some malware disguises itself as wuauserv.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the wuauserv.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
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