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If the DLL's were created by a spyware program like vundo they would come back unless you remove the spyware.
Norton Is an anti-virus, spyware steals your info and gives it to advertisers.
1. what is a description & solution spyware & spam?. 2. what is a virus?. 3. what is a description & solution of Trojan horse?. 4. what is a description & solution of worm
.A DLL is used by programs which need the features or functions built into the DLL. Just like we humans use executable programs for the services they offer (spreadsheets to manage data, web browsers to surf the internet) an executable program uses DLL's for the services it offers. People do not interact with DLL's, programs do
Spyware may be illegal, and will typically gather information about your computer, or your personal information, without permission. Adware does not typically gather your information, and instead will 'spam' you or place advertisements on your computer against your will.
The Cygwin DLL can be downloaded directly from the Cygwin website. It can also be downloaded online through the websites DLL-Files, NoDevice, and DLL-DLL.
Question need some more clarification
firewall is very basic protection.windows defender is a nice anti-spyware product, not the best but a nice one
http://www.codeproject.com/KB/DLL/DLLModuleFileName.aspx
Spyware is a malicious software that aids in gathering information about a person or organization without their knowledge. Spyware can get in a computer as a software virus or as the result of installing a new program. Freeware, on the other hand, is derived from "free" + "software" which means this software is available for use at no cost. They are created by volunteers and distributed for free.
This appears to be a dll associated with the Yahoo Widget engine. Do you have this application installed? For questions such as this it is helpful to post the full path of the file in question. Often malicious software will use the same file name of a valid file but place it in a location where it does not belong as a technique to hide it from scrutiny.
Dll is "dynamic link library" it provides all the information about built in methods which we used in program at run time. these could be keywords(main, if , for etc) or functions( pow(), main(), strcat() etc) or classes in opps. An OCX is an Object Linking and Embedding (OLE) custom control, a special-purpose program that can be created for use by applications running on Microsoft's Windows systems.