Delete PUP.optional.WinYahoo from Firefox

Are you wanting to eliminate PUP.optional.WinYahoo from your infected system? Are you finding a simple and effective removal solution? Then your search stops here. In the following post you can follow the solution to terminate unwanted program from your infected PC completely.

More information on PUP.optional.WinYahoo

  • Name – PUP.optional.WinYahoo
  • Type – PUP
  • Risk – Low
  • Symptoms – Showing ads, slow system performance, redirections etc.
  • Distribution – Spam emails, free downloads, infected ads or links etc.
  • Infected PC – Windows

PUP.optional.WinYahoo can modify your Chrome secure preferences

Potentially Unwanted Programs like PUP.optional.WinYahoo continues to infect PC users with annoying software that interferes with everyday computer use. This kind of system threats generally load on your system without your knowledge. Most of the time it comes along with the freely distributed third party software bundles on Internet for free downloads. Once it gains access to your system then it allows to bloats file systems, fills up memory with unwanted files and tasks, generate advertisements and install unwanted toolbars, add-ons to your web browsers. This PUP is aka "WinYahoo". It is not related with Yahoo but it changes your default search engine and homepage with Yahoo search page. It can hijacks your favorite browsers to make redirection on several infected sites to pose more infections into system to damage it more.

remove PUP.optional.WinYahoo

It runs malicious tasks into system background that takes huge amount of PC resources that make system very dull to perform tasks quickly. System gets so slow and sometimes freezes or crashed. It ruined your surfing experience by showing too many irritating pop-ups, banners and sponsored links on visited sites. Generally this kind of system threats comes inside of the PC by stealth using third party bundles of programs. As the bundles of programs do not show their list of software because they carried an extra suspicious programs without taking your permission. More infiltrating ways are through spam email attachments, infected ads, suspicious links or fake updates and so on. You can save your system from this unwanted installation by using "Custom or Advanced" screen to install each new programs on system. You can also avoid to open spam emails and their attachments as they might carry infected files.

So you need to uninstall PUP.optional.WinYahoo from infected system as soon as possible to clean and secure browsing.


A. PUP.optional.WinYahoo Manual Removal

How to Change the System Folder Settings to view hidden files

On Windows 7 | Vista

Windows Logo button is to be selected and then you need to Open Windows Explorer.

Click on Organize selecting Folder and Search Options.

Now Click on View Tab and select Show hidden files and folders Option to view PUP.optional.WinYahoo related files.


Click on OK to Apply

On Windows 8

Select on Windows + E keys in combination on the keyboard.

Click on View Tab option

win 8

File name Extensions along with hidden items is to be checked

Step 2: Delete PUP.optional.WinYahoo Related Files in Hidden Folders as given

  • %Temp%\[adware name]
  • %AppData%\[adware name]
  • %LocalAppData%\[adware name]
  • %LocalAppData%\[adware name].exe
  • %CommonAppData%\[adware name]
  • %AllUsersProfile%random.exe

Step 3 : Remove PUP.optional.WinYahoo Related Registry Files on Windows

First, Open Registry Editor

On Windows 7| Vista

Click on Start Button

Select on Run Button

Type regedit

Finally Click on OK button

On Windows 8 Computer

Click on Win [Window Key] + R in Combination on Keyboard

Type regedit.exe in dialog box and press OK.


Confirm OK to open the registry editor.

Look for PUP.optional.WinYahoo related files and entries created in Win Registry.

Note: This step is only suitable for users having Technical Skills, if you delete any other entries other than PUP.optional.WinYahoo, it will permanently damage your PC.

B. PUP.optional.WinYahoo Removal from Windows OS

How to Uninstall PUP.optional.WinYahoo related program on PC

on Windows 10

1. On Win 10 Screen, Click on Start Menu and Select All apps.

  1. this will show entire list of apps installed on Win 10, Find PUP.optional.WinYahoo or any other suspicious program from the list. Right Click on the Selected item to uninstall it.

On Win 7 | Vista

  1. Select and Click on the Start Button and Click on Control Panel using Start Menu.

control panel2. You need to Select Uninstall Program under the Program Category in Control Panel.

uninstall program


3. Using the Window, Program and Features option, select Installed on to view all the recently installed programs, Now uninstall PUP.optional.WinYahoo or any other suspicious programs.

From window 8 PC

1. Press Windows key + I simultaneously , then open Setting Bar, click Control Panel to open it

2. Under Programs category, select Uninstall a program

3. Search PUP.optional.WinYahoo program in Program and Features window, then click on Uninstall


Step 2:- Uninstall PUP.optional.WinYahoo toolbar, add-on, plug-in and extension from browser IE/Microsoft Edge/Firefox/Google Chrome

From Chrome Browser

1. On Chrome browser, select menu


2. Select Advanced Settings option


3. Click on Extension


4. To remove PUP.optional.WinYahoo extension, click on Trash icon

5. Select the Remove option in dialog box

From Microsoft Edge Browser

( Microsoft Edge does not support extension, now you have to just reset the search engine and homepage of Edge browser)

1. Set homepage on Edge browser to remove PUP.optional.WinYahoo

  1. On address bar click More(..), and then select Settings option

Edge-Browser-Settings3. View Advanced Settings for specific page, to set homepage to Open with option

advance-settings-edge4. To set your own homepage click on Custom, the then type URL of your own homepage


2. To remove PUP.optional.WinYahoo set default Search Engine

  • On address bar click More(..), and then select Settings option
  • select the View advanced settings option
  • Select “Search in the address bar with”, then enter the search engine by clicking on <Add new> option, then click on Add as default


  •  Custom option is to be selected, enter the URL of the homepage to be set as


From IE Browser

1. To open Manage add-ons on your IE browser, click on Tools button


2. Select Toolbars and Extensions, them make a selection of PUP.optional.WinYahoo to remove it


3. Now click on Reset button to remove  PUP.optional.WinYahoo add-ons


From Firefox browser

1. To open Add-on Manager tab, select Menu button, and then click on Add-ons


2. Click Extensions

FF Ext

3. Select Remove or Disable button


Tutorial To Uninstall PUP.optional.WinYahoo from Firefox

French Guide Facile À Effacer PUP.optional.WinYahoo de Opera
German Deinstallieren PUP.optional.WinYahoo von Opera : Fixieren PUP.optional.WinYahoo
Polish Easy Guide Kasować PUP.optional.WinYahoo
Portuguese Livrar-se de PUP.optional.WinYahoo de Chrome
Italian Disinstalla PUP.optional.WinYahoo Facilmente
Spanish Quitar PUP.optional.WinYahoo Instantáneamente
Japanese PUP.optional.WinYahoo 削除: 簡単な手順 削除する PUP.optional.WinYahoo 手動で
Dutch Instructievideo To Verwijderen PUP.optional.WinYahoo van Safari
Danish Trin for trin guide til Slet PUP.optional.WinYahoo fra Safari

How to Remove PUP.optional.WinYahoo Automatically

Well, in the fast growing technology and day by day increasing malicious activities of cyber criminals, it is necessary for every computer user to protect their PC from PUP.optional.WinYahoo. You must own a best removal tool which can provide safety and security to your windows machine. PUP.optional.WinYahoo Free Scanner is one of the best tool which is capable to detect PUP.optional.WinYahoo or any malware completely from compromised machine. However you need to purchase its licensed version to delete PUP.optional.WinYahoo completely.

User Guide : Automatic PUP.optional.WinYahoo Free Scanner

Step 1 Download the software and now install it on your computer. Click on “Scan Computer” to detect presence of PUP.optional.WinYahoo and its harmful traces.


Step 2 Scan in progress can be viewed


Step 3 Use System Guard feature to block entry of PUP.optional.WinYahoo and its infectious files.


Step 4 HelpDesk is an additional feature which is can sort out all your troubles usually you face when PC is infected with PUP.optional.WinYahoo


Step 5 PUP.optional.WinYahoo Free Scanner has Network Sentry feature which helps to block modification done through Internet connectivity on your computer system.

Network-senetary (1)

Step 6 Enable Scan Scheduler feature on your computer to perform scanning at pre set time like daily, weekly or monthly.