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How to remove Fastfat error


The free file information forum can help you find out if Fastfat.sys is a virus, trojan, spyware, adware which you can remove, or a file belonging to a Windows system or an application you can trust.

Software  Click to Run a Free Scan for Fastfat.sys related errors


Fastfat.sys file information

The process Fast FAT File System Driver belongs to the software Microsoft Windows Operating System by Microsoft Corporation (www.microsoft.com).

Description: Fastfat.sys is located in the folder C:\Windows\System32\drivers. Known file sizes on Windows XP are 143,360 bytes (88% of all occurrence), 145,152 bytes, 143,744 bytes, 144,768 bytes.
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. There is no detailed description of this service. File Fastfat.sys is a Microsoft signed file. Fastfat.sys seems to be a compressed file. Therefore the technical security rating is 1% dangerous, however also read the users reviews.

Recommended: Identify Fastfat.sys related errors

Important: Some malware camouflage themselves as Fastfat.sys, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the Fastfat.sys process on your pc whether it is pest. We recommend Security Task Manager for verifying your computer's security. It is one of the Top Download Picks of 2005 of The Washington Post and PC World.

Score

User Comments

Rate
This is the driver for reading/writing FAT formatted drives (usually USB sticks, smaller external drives, and those devices appearing as drives such as digital cameras and mp3 players)
  Tim, Senior Electrical Engineer  
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when i tried installing windows after a fat32 format i get tis sot error i.e. STOP:0X00000050 ( 0XA11B7A4C,0X00000000,0XFC795AD6,0X00000002 ) fastfat.sys-Address FCF9AD6 base at FC&8D000 DateStamp 41107EB7
  Nelson  
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When not loaded, cannot read from a floppy or USB memory stick.
   
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Der Dienst steht von Haus aus auf Disabled und läuft doch
  Andy2410  
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I deleted fastfat.sys off my laptop and now everytime i plug in a protable drive or digital camera it prompts me to format the external drive.
  Andy  
Rate
file used in raid or scsi setups in Microsoft OS's
  James Urwiller, Service Manager Computer Warehouse #4   (further information)

Summary: 8 users think Fastfat.sys is essential for Windows or an installed application. 1 user think it's probably harmless. 1 user doesn't grade Fastfat.sys ("not sure about it").

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Fastfat scanner


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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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Other processes


Fastfat.sys [all]