Tfswshx.dll is browser help object (BHO) program used by Sonic CD burning software, as well as the Sonic (formerly Veritas) Drive Letter Access (DLA) program. It is non-essential unless these programs are being used. This DLL is preinstalled on certain brands of computers, such as Dell and HP, which come with the aforementioned software. See also: dlashx_w.dll. 

If you want a detailed security rating about your tfswshx.dll (and all other running background processes) read the following user opinions, and download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!

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Users Opinions

8198 users ask for this file. 32 users rated it as not dangerous. 6 users rated it as not so dangerous. 7 users rated it as neutral. 2 users rated it as little bit dangerous. 2 users rated it as dangerous. 10 users didn't rate it ("don't know").

All comments about tfswshx.dll: VERITAS Software 200   Installed with Sonic Record Now! CD burning software (might be pre-installed on IBM thinkpad)  See also: Link   JM Installed by some DVD/CD - RW drives using Sonic Record Now!  See also: Link   MPC Tech I think it's related to Sonic burning software   Izani it came pre-installed by Dell on my new desktop   Demon software for detecting BHO's had detected it and suggested it may be undesirable . It now seems it might be related to IBM preload computers and maybe even related to windows xp .   Denise I believe this file belongs to Sonic software (not dangerous)   bbennu Drive Letter Access Component For CD Burner Copyright © 2004 Sonic Solutions   Dave came pre-installed by Dell, which came pre-installed w/ Sonic burning software   Mike Installed with Veritas DLA software for Sony DVD   Jim Kennedy came with my Dell PC   came pre-installed by Dell, which came pre-installed w/ Sonic burning software   came with my dvd-burner, seems harmless   Pascal Pre-installed on a brand new IBM Thinkpad + WindowsXP   Mozai Installed with the opertaing disk supplied with my HP laptop   Installed Sonic DLA for cd burning. Use unknown??   Eric Greenberg came w/ Dell for Sonic programs   came preloaded on my IBM laptop   used by Sonic wall   Came bundled on my Dell desktop as well.   pre-installed with Dell   MC Sonic's Driver Letter Access Link to FAQ's attached  See also: Link   Richard CD burning   preinstalled on my new Toshiba laptop   Holly Preinstalled with HP Compaq nx6120   RVH VERITAS Backup Exec Software is actively being exploited, see link  See also: Link   Greg "Sonic DriveLetterAccess". Component of Sonic CD Burning software. Preinstalled on Dell Computers and others. Locking up CD drive sometimes in conjunction with tfswshx.dll (also belongs to DLA). When shutting down Windows often generates message like: "DLA is processing operations for another user" even if no other user is logged on. Not known as dangerous - yet.   MK It came preinstalled with my dell laptop it allows you to copy and burn cd's and dvd's   Nicole agreed ..it came preinstalled with sonic on Dell   pamela Installed by Sonic 'Record Now Deluxe'   Richard P. Jones Came with Roxio / Sonic Solutions   DEborah Propably used for CD burning directly from the explorer. Harmless, but uses memory.   preinstalled on dell pc   came pre-installed with HP xw...-Workstations   DocDOS Its a component of Sonic CD Burning software   paul This is part of Sony DRM protection to stop piracy.   binx came with Dell bundle   KC preinstalled on Dell w/Sonic   Preinstalled on Toshiba Laptop. When browser addin enabled, it stops drag and drop of items in Explorer favorites!   Nigel Sonic Record Now - preloaded on Toshiba Qosmio   lpnwain Sonic Solutions has one slight glitch. When shutting it down, it apparently fails to notify Windows that it is shutting down, so when you start Sonic Solutions again, it reports that it is already running. So when I shut down Sonic Solutions, I use the Windowns Task Manager to end the program and that solves the problem. I don't know whether the add-on in question has anything to do with this problem or not, but I agree with many of the other posters the it simply came with my Dell Dimension.   Rational Geezer Have a dell its on my laptop but I also have roxio and sonic don't think its anything to worry about but I disabled it in my browser just in case   mshy it came with my dell 2400 6 years ago and i have been using it ever since. if it comes between sonic and IE 8 i will go back to IE 7   sailray I just installed Microsoft IE 8 and Sonic Drive Letter Access isn't compatible with this newer version of Microsoft IE 8, if you continue running this dll file on your pc you risk the chance of crashing your computer and loosing everything you have with it - Microsoft Internet Explorer 8 is willing to assist in searching for a fix to the error messege received after installation is completed of IE 8, The. Sonic is pre-installed on F "DriveLetterAccess Component" add-on version '1.0.0.1' published by'(Not verified) Sonic Solutions' is not compatible with Internet Explorer 8.  See also: Link   Cisco Steve i think it came with sonic solutio on my Dell labtop   maria I disabled the Sonic add-on, microsoft support wrote that it would still function outside of IE8, which is the real conflict, but it did NoT--my XP system crashed   JL It came preinstalled with my dell laptop it allows you to copy and burn cd's and dvd's   JTG I have several computers Gateway ltd l 300 pent 3 and a Dell Dimension 82000 pent 4 freezes and crashes of IE8 and eventually the system needed to be totally reinstalled on both the common threads were the Veritas DLA and also Sonics record now with DLA both using this DLL it was so bad on one I had to Do a clean install. LOL never a fun thing with xp also for those of you wondering why only one of your Burners works its because the Dla only supports one Burner at a time you have to go in a switch Drive assignments from burner to burner its listed in the User manual from veritas so Beware   Doc Jimi xmasterdarkx Drive Letter Access (DLA) is a CD/DVD writing application. It is very popular mainly because it was and still is shipped with a majority of CD and DVD recording drives.  See also: Link   Ax I found that I had a program called Sonic Update Manager in Control Panel and once I removed it my problem went away. Sonic Update Manager   John Burgbacher If you know more about tfswshx.dll, share your knowledge and help other users. Security Rating:  --- don't know ---  1 (not dangerous)  2  3 (neutral)  4  5 (dangerous) What do you know about this file: Link for more details: Your Name:

More process information

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Other Processes

mdnsresponder.exe pnkbstra.exe rpbrowserrecordplugin.dll tfswshx.dll msnlnamespacemgr.dll acs.exe tpkmpsvc.exe hpsysdrv.exe igfxpers.exe wpdshserviceobj.dll smax4pnp.exe [all processes]