How to Remove PUP.Optional.DefaultTab.A Virus?

By | September 3, 2013

PUP.Optional.DefaultTab.A is a malicious application that can infect your computer and make it almost unusable. It is important to get rid of this virus as soon as possible to avoid loss of data and corruption of files on the computer.

Risk Level : High

Note :- To safely & quickly detect spyware, We highly recommend you to use our Removal Tool for PUP.Optional.DefaultTab.A virus file.

Location of Infected File…


Note:- This parasites block downloads by issuing fake warnings or canceling them. If download fails, reboot your computer into Safe Mode with Networking. To do this, turn your computer off and then back on and immediately when you see anything on the screen, start tapping the F8 key on your keyboard. After that, select Safe Mode with Networking and press Enter on your keyboard.

Now download the recommended software to remove the PUP.Optional.DefaultTab.A virus.

Removal Tool for PUP.Optional.DefaultTab.A Virus

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Manual Removal Process for PUP.Optional.DefaultTab.A virus

Please Note: Safe Mode with Networking Required.


Open Search by pressing Windows logo keyboard key windows logo +F.

Type the folder names in the Search box.


As you type, folder/files from a variety of locations on your computer will appear that match your text.
If found, remove it from there.


In Firefox and Mozilla Suite/SeaMonkey, type about:config in the Location Bar (address bar) and press Enter to display the list of preferences, as shown below in Firefox 14 on Windows 7. If you see a page with the warning message, This might void your warranty!, click the button labeled “I’ll be careful, I promise!”, to continue

Use the “Search” bar at the top of the about:config page to filter the preferences that you want to inspect.

– Do a search for
one by one.

– Then, right click on every item found and select the option “Reset” or double click and delete the value.
– Done…

STEP:-2 UNINSTALL PUP.Optional.DefaultTab.A :

Open Mozilla and go to Tools >> Add-ons >> and Remove (if found)


Open chrome and go to Tools >> Extensions >> and Remove (if found)


If still doesn’t help. Try our suggested removal tool.

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