PUP.Optional.InstallCore.A Complete Removal Guide


PUP.Optional.InstallCore.A is a notorious malware infection deemed as Trojan virus. It silently penetrates into targeted computer system and is able to cause severe consequences in it. Having some very critical properties it is capable enough to make your system completely useless in just no time. Being a nasty malware infection it is mainly known to leads the infected computer system to the fatal corruption level. As like other malware applications, this troublesome Trojan virus also travels through Internet and uses deceptive installation methods to be installed into your Windows computer system such as software bundling, email attachments, clicking unknown links, visiting pornographic sites, using infected media player, and so on. PUP.Optional.InstallCore.A Trojan virus needs to removed as soon as possible from your windows computer system for smooth functioning. 

Well, once PUP.Optional.InstallCore.A is downlaoded in your computer then it is autometically executes itself at boot time. It silently runs several mischievous operations in system background, drops malicious codes in your entire computer system and many more. It makes your system very slow, alter crucial system settings, disable all the default security measures of infected system, causes hard drive failure, system crash and data inaccessibility issue. Furthermore, it creates a backdoor into the infected machine and enables other malware and spyware applications to infect and damage your PC. Whats more, it also has the tendency to fetch and transfer crucial files and information from the victimized computer system to third party severe. Therefore, it is recommended to get rod of PUP.Optional.InstallCore.A Trojan virus immediately from your Windows computer.


Steps to Delete PUP.Optional.InstallCore.A

Step: 1 Restart your Windows PC in Safe Mode

Find the complete details on how to Reboot your PC in Safe Mode (if you are a novice, follow the above given instructions on how to boot up your PC in Safe mode irrespective of the Windows Version that is being used as Windows XP, 7, Win 8, 8.1 and Windows 10)

Step:2 Remove PUP.Optional.InstallCore.A from Task Manager

Press CTRL+ALT+DEL simulataneously to open Task manager. Find PUP.Optional.InstallCore.A Related processes or any other suspicious processes that are running on it. Now Select and delete PUP.Optional.InstallCore.A virus from Task Manager at once.

Task Manager

Step:3 How to Delete PUP.Optional.InstallCore.A Related Startup Items

Press Win + R together and Type “msconfig”.

Windows R

Now press Enter Key or Select OK.


Startup” option is to be selected on the Pop-up Window Tab



Now Search for PUP.Optional.InstallCore.A Related applications on Startup Items


Now Uncheck all Unknown or Suspicious items from “System Configuration” related to PUP.Optional.InstallCore.A


Now Click and Select Restart to Start your Computer in Normal Mode




Step: 4 How to Delete PUP.Optional.InstallCore.A from Windows Registry

  1. Press Win + R in combination to Open Run Box, Type regedit on the search box and press enter.
  2. This will Open the registry entries.
  3. Find PUP.Optional.InstallCore.A related entries from the list and carefully delete it. However be careful and do not delete any other entries as this could severely damage the Windows Component.


Also, after completing the above steps, it is important to search for any folders and files that has been created by PUP.Optional.InstallCore.A and if found must be deleted.

Step 5 How to View Hidden Files and Folders Created by PUP.Optional.InstallCore.A

  1. Click on the Start Menu
  2. Go to Control Panel, and Search for folder Options
  3. Click on view hidden files and folders Options, For your convenience, we have included complete process on how to unhide files on all Windows Version. This will delete all the files and folders associated with PUP.Optional.InstallCore.A that was existing on your compromised system.

Still, if you are unable to get rid of PUP.Optional.InstallCore.A using manual steps, you need to scan your PC to detect PUP.Optional.InstallCore.A.


Don’t forget to submit your questions or any other queries if you have and get complete solution from our Expert’s Panel. Good Luck!