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How to eliminate tfsnifs driver problems

The tfsnifs.sys (Drive Letter Access Component) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your tfsnifs driver.

The tfsnifs.sys process is also known as Drive Letter Access Component or, as the case may be, Direct Access Component and is a part of Sonic DLA or, as the case may be, VERITAS DLA. This software is produced by Sonic Solutions (www.sonic.com) or, as the case may be, VERITAS Software (www.veritas.com). An obsolete or defective version of tfsnifs.sys can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about tfsnifs.sys Drive Letter Access Component

tfsnifs.sys is not part of Windows, but it is important nonetheless. Tfsnifs.sys is found in a subdirectory of C:\Windows\System32. Frequently occurring are file sizes such as 86,554 bytes (25% of all these files), 86,586 bytes, 86,202 bytes, 86,138 bytes or, as the case may be, 51,444 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. There is no internal description of the file. The program executes in the background, and can only be terminated using Windows Task Manager. It is unusual for the service not to provide any indication of how and why it is required. It is no part of Microsoft Windows. You can use Windows Control Panel (Programs icon) to completely remove the software. For this reason, 34% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves tfsnifs.sys. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about tfsnifs?

TFSNIFS.SYS file corrupt message comes up in DELL systems if there is a driver corruption issue with the DVD drive.In that case a device driver uninstall/reinstall can help.Also we get this type of error if there is an issue with sonic my dvd.......in that case uninstall the sonic
supratik chatterjee (DELL technician)
I hve a Dell 8250. BSOD since 6 mo. old. Very intermittent. More than 100 crashes. After readind your page on tfsnifs, found file named "shell 32.dll". Size is 8253. Is this where my problem is & what do I do about it?
media center live tv crashes
American Manners
tfsnifs is also one of the file associated with the sonic dla

Summary: 6 users judge tfsnifs.sys to be an essential file that should not be touched. 3 users consider it harmless. source: file.net

How to uninstall Sonic DLA or VERITAS DLA

tfsnifs.sys Drive Letter Access Component fix

To remove Drive Letter Access Component from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for Sonic DLA or VERITAS DLA in the list of available programs.
  5. Click Uninstall.

How to tell if tfsnifs.sys (Drive Letter Access Component) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Drive Letter Access Component. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Drive Letter Access Component or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or tfsnifs.sys is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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