safe file


Super Fast User Switcher

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fast.exe. What is it?

The fast.exe is a Super Fast User Switcher.

This file is part of Microsoft Windows Operating System. Fast.exe is developed by Microsoft Corporation. It’s a hidden file. This files starts on Windows startup. Fast.exe is usually located in the %SYSTEM% folder and its usual size is 48,704 bytes.


The fast.exe process is safe, and you can safely disable it.

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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: Super Fast User SwitcherPart Of: Microsoft Windows Operating SystemCommon path(s): %SYSTEM%
subfolder in %PROGRAM_FILES%
Keywords(s): hidden, startupFilesize(s): 48,704 bytes, 49,216 bytes, 401,408 bytes

User opinions

fast.exe has the following rating: 2.0
based on 1 user opinions.
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Thank you for your comment!
by Destrey on Aug 9, 2011 at 04:47 AM

Last one to uitlzie this is a rotten egg!

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