PUA.OneSystemCare Removal Tutorial For Windows Computer

Technical Details on PUA.OneSystemCare

  • Name: One SystemCare
  • Type: Potentially Unwanted Application
  • Updated on: 10 December 2015, 3:44:45 PM
  • Infection Length: Varies
  • Version:
  • Risk Impact: Low
  • Systems Affected: Windows OS


PUA.OneSystemCare Explanation:

PUA.OneSystemCare marketed as a PC optimization software which is identified as a potentially unwanted application. It is advertised as a way that it blocks the malicious threats and optimize a slow system by fixing its configuration. However, it is an unwanted program that may make an affected machine run slowly and present a wide variety of annoying symptoms. The machine users should avoid installing such type of fake optimization application and consider removing it from an affected system right away by using a trustworthy and reliable anti-spyware suite.

Moreover, PUA.OneSystemCare belongs to the family of fake system optimization tool which is developed by the disreputable software creators. It will always claim that the machine has a various severe issues, often by displaying bogus alerts and greatly exaggerating any supposed threats on an affected PC. The program may became very disruptive and displaying constant pop-up windows, irritating messages and advertisements which interrupts the users' activities and interfere with the affected systems' performance. Also, it will claim that the program has found numerous issues and offers to fix them.

Working Principles of PUA.OneSystemCare

Furthermore, when the computer users try to use this so-called security program in order to fix these supposed problems, then it will exhibit supplementary error notifications to pay for the licensed version of the software. However, the application is not capable of detecting or eliminating any supposed threats onto the system. The alert messages and notifications are completely fabricated and designed especially by the cyber crooks in order to scare inexperienced PC users into paying for the full version of PUA.OneSystemCare program. Just because the application is not legit or capable of doing anything that it claims, it should be removed from an infected computer as soon as possible.

Distribution Methods of PUA.OneSystemCare

In most of the cases, this fake optimization program may be installed automatically onto the affected computer. Such type of rogue applications may be bundled with other freeware programs. Some of the legit software may be bundled with this adware and other potentially unwanted applications. The machine users may be opted in automatically into installing this kind of bundled apps. The computer users can opt out of installing PUA.OneSystemCare, but the option to opt out may be quite difficult to find onto the installer. These installers may use confusing and misleading language and may attempt to install different annoying programs onto the targeted system. This software is particularly expensive, but the various issues that have associated with this application and other unwanted programs make it highly advisable for the PC users to avoid them entirely.


How to Uninstall PUA.OneSystemCare Easily

PUA.OneSystemCare is classified as adware or potentially unwanted program which annoys the users during their web session. It is capable to violate the security settings and find its own way to invade in the targeted system. Usually, PUA.OneSystemCare comes attached with spam emails, infected removable devices, free software etc and gets installed as an extension in different web browsers such as Mozilla Firefox, Google Chrome, Internet Explorer etc. It does not allow the users to surf normally and misleads them to the suspicious sites. Your screen will be filled with lots of advertisements and promotional alerts. It convince the users to download the free software, video or music files and in the meantime installs harmful threats in bundles to affect the PC efficiency. Thus, do not get trapped in the scam of hackers and avoid clicking on PUA.OneSystemCare anymore.

Besides this, PUA.OneSystemCare can also interrupt your online shopping session by displaying variety of deals, best offers, discount coupons, promo codes etc. It claims to help the users to shop under their budget and convince them to purchase products from its links. You must be aware that when you will make payment then third party hackers can gain your financial details secretly. It can result extremely dangerous for the users identity as the system performance. So, you need to take immediate action in order to get rid of PUA.OneSystemCare permanently after detection.

A. PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare, it will permanently damage your PC.

B. PUA.OneSystemCare Removal from Windows OS

How to Uninstall PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare program in Program and Features window, then click on Uninstall


Step 2:- Uninstall PUA.OneSystemCare 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 PUA.OneSystemCare 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 PUA.OneSystemCare

  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 PUA.OneSystemCare 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 PUA.OneSystemCare to remove it


3. Now click on Reset button to remove  PUA.OneSystemCare 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


How to Remove PUA.OneSystemCare 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 PUA.OneSystemCare. You must own a best removal tool which can provide safety and security to your windows machine. PUA.OneSystemCare Free Scanner is one of the best tool which is capable to detect PUA.OneSystemCare or any malware completely from compromised machine. However you need to purchase its licensed version to delete PUA.OneSystemCare completely.

User Guide : Automatic PUA.OneSystemCare Free Scanner

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


Step 2 Scan in progress can be viewed


Step 3 Use System Guard feature to block entry of PUA.OneSystemCare 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 PUA.OneSystemCare


Step 5 PUA.OneSystemCare 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.