What Is ytsingleinstance.dll? Malware, Virus Or Safe?

File name:

Be sure to always double check your spelling if you are concerned about spyware, as often spyware will use a very similar spelling of system processes or other common tasks. ytsingleinstance.dll

File type:

Dll program – Files that have a dll extension are called modules/functions or programs loaded into memory.

What is it?

YTSingleInstance.dll is a file that most likely was installed by you at some point, this would not have arrived pre-installed on your computer. Be sure to verify the exact hard drive location shown below. This file will run as a BHO in your browser everytime you browse the internet. This file is installed with Yahoo instant messenger, and this can also be removed without affecting your Yahoo IM. If you wish to remove this file, simply use a BHO remover to remove it from your browser, your Yahoo IM will continue to run fine without any issues. This file is considered safe and is not spyware or adware related software. Visit ytsingleinstance.dll for complete information on this task or process. If you would like help on other tasks or processes, you can view the entire process and task directory here.

What is the ytsingleinstance.dll location, where is it stored on my computer?

This program is currently located at C:\PROGRA~2\Yahoo!\Companion\Installs\cpn\YTSingleInstance.dll

Note on file and folder locations: Remember that although many files are always in default file locations, some files can easily be moved to different locations or change names like many viruses, spyware, or malware do. If you suspect you have a virus or spyware, check to see if you see similar names stored elsewhere. It always helps to check your tasklist also to see what is currently running on your computer. You can always view the tasklist on your computer by pressing ctrl-alt-del to view your “task manager”, and then click the “processes” tab. This will show you all tasks running on your computer. Dll files will NOT show on your computer tasklist, as dll files are actually part of other processes. You may see similar program names running if spyware or adware is on your computer, for example, ytsingleinstance.dll may be slightly misspelled to keep you from finding it, or spyware and adware may be named very similar to a system file. Make sure to always check the location of tasks or processes if you are concerned. ytsingleinstance.dll can also be used by other programs or software, as there is no standard on software program names what companies choose.

Is ytsingleinstance.dll spyware?


Is this considered adware or popup related?


Is this considered a virus or trojan?


Would you recommend that I remove ytsingleinstance.dll?

No, we would not remove this file.

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