What does the tfswctrl.exe file do?
The tfswctrl.exe 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, IBM 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 tfswctrl.exe can cause problems for your computer that can range from slowness to error messages such as these:
- Drive Letter Access Component has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Drive Letter Access Component has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- tfswctrl.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module tfswctrl.exe. Read of address 00000000.
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What you should know about tfswctrl.exe Drive Letter Access Component
tfswctrl.exe is not a Windows system file and is known to frequently cause computer problems. The file tfswctrl.exe is found in a subdirectory of C:\Windows\System32 or sometimes in a subdirectory of C:\ (normally C:\WINDOWS\system32\dla\).
Frequently occurring are file sizes such as 127,035 bytes (41% of all these files), 122,941 bytes as well as 15 other variants.
There is no embedded description in this file. These days, this is rather unusual The tfswctrl file was developed by a so-called third party provider - and not by Microsoft. This tfswctrl program does not have a visible window, and does not appear on the taskbar. The application is initiated as part of Windows start-up (Registry: MACHINE\Run, Run). It is interesting to note that the file is placed in the Windows folder, even though it is not part of the operating system. For this reason, 53% 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 tfswctrl.exe. 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 tfswctrl?
|Part of Sonic Solutions DVD/CD Suite & provides drive letter access to drive |
|Drive Letter Access (DLA) - do NOT use in Win 2k3 Server |
|Windows Explorer stops working. Can use and open files directly with the associated application but can't see the files existing in the hard drive. (further information...) |
Summary: 36 users judge tfswctrl.exe to be an essential file that should not be touched. 8 users consider it harmless. However, 21 users consider this to be a suspicious process and would like to get rid of it. For this reason, 16 users have already deleted tfswctrl.exe. source: file.net
How to uninstall Sonic DLA or IBM DLA
To remove Drive Letter Access Component from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for Sonic DLA or IBM DLA in the list of available programs.
- Click Uninstall.
How to tell if tfswctrl.exe (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 tfswctrl.exe 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.