How To Remove PUP.Optional.HighDefAction

What is PUP.Optional.HighDefAction

PUP.Optional.HighDefAction is a stubborn Trojan virus that can drains down the computer performance as well as inject its malicious programs and codes. PUP.Optional.HighDefAction usually comes into your PC when you install free software from internet shared by unknown third party, open spam email, and visit any infected or porn sites. The main intention of this Trojan program is to hacks your security system and drop more damaging threats on the targeted Pc. this makes your system too slow, as it takes a lot of space of system resources. PUP.Optional.HighDefAction can hide, delete your files without asking your permission. It is impossible to use your PC due to rapid program error messages, annoying security alerts, lots of ads and system crash. Moreover PUP.Optional.HighDefAction spies your browsing activities to steal your personal information and share them to unknown third parties which may cheat you for money. PUP.Optional.HighDefAction is an extremely harmful domain and should removed immediately.

Remove PUP.Optional.HighDefAction

Remove PUP.Optional.HighDefAction

Threat’s Summary:

Virus Name PUP.Optional.HighDefAction
Virus Type Trojan
Behavior “PUP.Optional.HighDefAction” hijacks your current page and redirect it to advertising websites.
Risk Impacted Performance degradation of system, Malware Attacks, Cyber Theft.
Applies on All versions of Windows Operating System.

We would recommend to use below tool and run it on your computer to remove PUP.Optional.HighDefAction automatically.

Removal tool

How your computer got infected with PUP.Optional.HighDefAction

Via freeware or shareware

PUP.Optional.HighDefAction can be included within some freeware or shareware programs – as a legitimate way of generating advertising revenues that help to fund the development and distribution of the freeware or shareware program

Infected websites

A visit to an infected website can result in unauthorized installation of PUP.Optional.HighDefAction. Hacker technologies are often used to penetrated via a browser vulnerability.

Effects of PUP.Optional.HighDefAction on your computer

• PUP.Optional.HighDefAction Hijacks your current webpage and redirect it to unknown sites.
• PUP.Optional.HighDefAction always bypass security tools through rootkit tactic
• PUP.Optional.HighDefAction is infamous for inserting computer with unknown infections
• PUP.Optional.HighDefAction update your installed application without your permission.
• PUP.Optional.HighDefAction can steal your personal data like IP address, login data and browsing keywords and visited URLs.

How to manually remove PUP.Optional.HighDefAction from your computer

Follow the below steps carefully  to remove PUP.Optional.HighDefAction completely from your computer.

Please Note that the manual steps involves registry changes which may damage your computer if not performed properly. For Automatic removal, please download the tool below which will do the same automatically without harming anything and does not require special attention.

Automatic Removal of  ‘PUP.Optional.HighDefAction’

Removal tool


Manual Removal  of ‘PUP.Optional.HighDefAction’

Step 1: If this nasty PUP.Optional.HighDefAction stops you from starting your system in Safe Mode with Networking, attempt to restart your system in Safe Mode with Command Prompt by pressing ‘F8’ key while your system is booting.PUP.Optional.HighDefAction removal


Press F8 key continuously until the Windows Advanced Options Menu launches. And then press Enter key to continue.




Step 2: Once the windows started, Go to Start -> RUN -> Type “CMD”



On the ‘Command Prompt’ -> Type ‘Explorer’ to open ‘Windows Explorer’

PUP.Optional.HighDefAction removal1

On the ‘Windows Explorer’ screen, please browse and open the below path


PUP.Optional.HighDefAction removal5


Step 3: The next step is to open ‘Registry’ and reset the default configuration. To do that, please follow the below steps.

Go to “Start” -> RUN -> ‘regedit’ -> Enter


The registry editor window will be opened.

PUP.Optional.HighDefAction removal6


On the Registry editor window, browse the below path by extending the relevant key. (Mentioned below). Select ‘Shell’ in the right side window and double click to change it’s value.

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If it’s not already set to ‘Explorer.exe’ then change it to the same and click on ‘OK’ to exit.



Please Note that the manual steps involves registry changes which may damage your computer if not performed properly. For Automatic removal, please download the tool below which will do the same automatically without harming anything and does not require special attention.

Removal tool

How to install Spyhunter:

  • Click on the above link to download and execute the required actions.

step1 spyhunter

  • After installation this program should be updated and scan. Examine the result when the scan will be finished. If you find some useful for you utilities in the list, so you can eliminate the tick near it, otherwise Spyhunter will remove the software. It pertains to the uncommon and special utilities that users install for their work. But generally, there is no need to delete any ticks.

step-2 spyhunter

  • After that you should click Fix Threats button. If you have already had the license, then the viruses will be removed. In case you did not, then you will have the opportunity to pay for the license key.

step-4 spyhunter

Your computer is fully protected now.

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