What is mup?
Mup.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the OS, hardware etc.
The free file information forum can help you determine if mup.sys belonging to the Windows system or an application you can trust.
Mup.sys file information
Description: The original mup.sys is an important part of Windows and rarely causes problems. mup.sys is located in the folder C:\Windows\System32\drivers.
Known file sizes on Windows 7/XP are 107,904 bytes (68% of all occurrences), 105,344 bytes and 6 more variants.
The driver can be started or stopped from Services in the Control Panel or by other programs. The file is a Windows system file. The program is not visible. Mup.sys is a trustworthy file from Microsoft. There is no detailed description of this service. mup.sys seems to be a compressed file. Therefore the technical security rating is 2% dangerous, however also read the users reviews.
You can also do the following:
- visit the vendor's support site
- uninstall the associated program (Start > Control Panel > Add/Remove programs > Microsoft Windows)
Recommended: Identify mup.sys related errors
Important: Some malware disguises itself as mup.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the mup.sys 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.
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Bob D (further information)
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