Every time, when you start your personal computer the One System Care keeps annoying you? Then most probably that your computer is infected with ‘ad-supported’ software (also known as adware) that can end up on your PC in various ways. Most often is when you download and install freeware and forget to uncheck the box for the third-party applications installation. Do not panic because we have got the solution. Here’s a instructions on how to remove intrusive One System Care from your computer (Windows 10, 8, 7, XP).
One System Care is a potentially unwanted program
The adware, that installs One System Care on your computer, may also show advertisements depend on a web site that you are visiting. The adware may monetize its functionality by collecting data from your browsing sessions and selling it to third party companies. This puts your personal information at a security risk.
Most often, the adware affects most common web browsers such as the Chrome, Internet Explorer, Firefox and Microsoft Edge. But such the harmful software as well may infect another web-browsers by changing its shortcuts (adding an argument such as ‘http://site.address’ into Target field of a web-browser’s shortcut). So every time you run the web browser, it’ll redirect to an undesired web-page. Even if you setup a new startpage, an intrusive web page will be the first thing you see when you start the Firefox, Google Chrome, IE and Edge.
Thus, it is clear that the presence of potentially unwanted program on your system is not desirable, and you need to clean up your PC system as quickly as possible. Follow the instructions below in order to delete One System Care potentially unwanted program and any adware from your computer for free.
Remove One System Care from computer (Windows 10, 8, 7, XP)
As with removing adware, malicious software or potentially unwanted applications, there are few steps you can do. We suggest trying them all. If you do only one part of the guidance, then it should be use malicious software removal tool, because it should remove PUP and block any further infection. But to completely get rid of adware you’ll have to at least disinfect system’s web-browsers shortcuts, remove all unwanted and suspicious software, and remove PUP by malware removal tools. Read it once, after doing so, please print this page as you may need to close your web browser or reboot your machine.
How to manually remove One System Care
The instructions will help you remove One System Care . These One System Care removal steps work for every version of MS Windows operating system including Windows 10, 8, 7 and XP.
Remove potentially unwanted programs through the Windows Control Panel
In order to delete potentially unwanted programs like this potentially unwanted program, open the MS Windows Control Panel and click on “Uninstall a program”. Check the list of installed programs. For the ones you do not know, run an Internet search to see if they are potentially unwanted program, hijacker or potentially unwanted software. If yes, delete them off. Even if they are just a applications which you do not use, then removing them off will increase your PC system start up time and speed dramatically.
Windows 10, 8.1, 8
Click the Windows logo, and then press Search 
. Type ‘Control panel’and press Enter like below.
When the ‘Control Panel’ opens, click the ‘Uninstall a program’ link under Programs category as shown in the figure below.
Windows 7, Vista, XP
Open Start menu and select the ‘Control Panel’ at right as shown below.
Then go to ‘Add/Remove Programs’ or ‘Uninstall a program’ (Windows 7 or Vista) as on the image below.
Carefully browse through the list of installed software and get rid of all software that has the name similar to the One System Care. We suggest to click ‘Installed programs’ and even sorts all installed programs by date. When you have found anything suspicious that may be the browser hijacker, ‘ad supported’ software or PUP, then choose this program and press ‘Uninstall’ in the upper part of the window. If the suspicious program blocked from removal, then use Revo Uninstaller Freeware to fully delete it from your PC.
Fix infected browsers shortcuts
Unfortunately, the potentially unwanted program can also hijack Windows shortcuts (mostly, your web browsers shortcuts), so that an unwanted page will be opened when you start the Google Chrome, IE, FF and Edge or another browser.
To clear the web-browser shortcut, right-click to it and select Properties. On the Shortcut tab, locate the Target field. Click inside, you will see a vertical line – arrow pointer, move it (using -> arrow key on your keyboard) to the right as possible. You will see a text like “http://site.address” that has been added here. You need to delete it.
When the text is removed, press the OK button. You need to clean all shortcuts of all your internet browsers, as they may be infected too.
Delete unwanted Scheduled Tasks
If an intrusive page opens automatically on Windows startup or at equal time intervals, then you need to check the Task Scheduler Library and delete all the tasks which have been created by ‘ad-supported’ software.
Press Windows and R keys on the keyboard together. This displays a dialog box that titled as Run. In the text field, type “taskschd.msc” (without the quotes) and click OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, as shown in the figure below.
Task scheduler
In the middle part you will see a list of installed tasks. Please choose the first task, its properties will be display just below automatically. Next, press the Actions tab. Pay attention to that it launches on your machine. Found something like “explorer.exe http://site.address” or “chrome.exe http://site.address”, then delete this malicious task. If you are not sure that executes the task, check it through a search engine. If it is a component of the ‘ad-supported’ program, then this task also should be removed.
Having defined the task that you want to get rid of, then press on it with the right mouse button and choose Delete as shown on the image below.
Delete a task
Repeat this step, if you have found a few tasks that have been created by malicious application. Once is done, close the Task Scheduler window.
How to automatically remove One System Care
There are not many good free anti-malware programs with high detection ratio. The effectiveness of malware removal utilities depends on various factors, mostly on how often their virus/malware signatures DB are updated in order to effectively detect modern malware, adware, hijackers and other potentially unwanted programs. We advise to run several applications, not just one. These applications which listed below will help you remove all components of the PUP from your disk and Windows registry and thereby remove One System Care potentially unwanted program.
Run Zemana Anti-malware to delete One System Care
You can remove One System Care potentially unwanted program automatically with a help of Zemana Anti-malware. We advise this malicious software removal tool because it can easily get rid of hijackers, PUPs, adware with all their components such as folders, files and registry entries.
- Download Zemana anti malware (ZAM) by clicking on the link below.
Zemana AntiMalware
159607 downloads
Author: Zemana Ltd
Category: Security tools
Update: July 16, 2019
- Once downloading is finished, close all applications and windows on your machine. Open a directory in which you saved it. Double-click on the icon that’s named Zemana.AntiMalware.Setup.
- Further, press Next button and follow the prompts.
- Once installation is complete, press the “Scan” button . This will begin scanning the whole computer to find out One System Care potentially unwanted program and adware which can download unwanted software. Depending on your PC, the scan can take anywhere from a few minutes to close to an hour. When a threat is detected, the number of the security threats will change accordingly. Wait until the the checking is finished.
- Once finished, you can check all items detected on your PC system. Next, you need to click “Next”. After that process is finished, you may be prompted to restart your PC.
Automatically delete One System Care with Malwarebytes
We suggest using the Malwarebytes Free. You can download and install Malwarebytes to find adware and thereby remove One System Care PUP from your computer. When installed and updated, the free malicious software remover will automatically scan and detect all threats exist on the computer.
Download Malwarebytes Free on your machine from the link below. Save it on your desktop.
317804 downloads
Author: Malwarebytes
Category: Security tools
Update: April 15, 2020
Once downloading is complete, close all windows on your system. Further, launch the file named mb3-setup. If the “User Account Control” dialog box pops up as shown on the image below, click the “Yes” button.
It will display the “Setup wizard” that will help you install Malwarebytes on the machine. Follow the prompts and don’t make any changes to default settings.
Once install is finished successfully, click Finish button. Then Malwarebytes will automatically start and you can see its main window as shown on the image below.
Next, press the “Scan Now” button . This will begin scanning the whole computer to find out ‘ad supported’ software which can install onto computer an unwanted program like One System Care.
After that process is finished, it’ll show a scan report. Review the scan results and then click “Quarantine Selected” button.
The Malwarebytes will get rid of adware which can install onto personal computer an unwanted application like One System Care and move items to the program’s quarantine. When the task is finished, you may be prompted to restart your PC. We suggest you look at the following video, which completely explains the process of using the Malwarebytes to remove hijackers, ‘ad supported’ software and other malicious software.
Get rid of One System Care and malicious extensions with AdwCleaner
AdwCleaner is a free portable application that scans your PC system for One System Care potentially unwanted program and adware that developed to download and install various unwanted programs, PUPs and browser hijacker infections and allows remove them easily. Moreover, it’ll also help you remove any harmful internet browser extensions and add-ons.
- Download AdwCleaner by clicking on the following link.
AdwCleaner download
220816 downloads
Version: 8.3.2
Author: Xplode, MalwareBytes
Category: Security tools
Update: April 28, 2022
- Select the folder in which you saved it as Desktop, and then click Save.
- Once the download is finished, start the AdwCleaner, double-click the adwcleaner_xxx.exe file.
- If the “User Account Control” prompts, click Yes to continue.
- Read the “Terms of use”, and press Accept.
- In the AdwCleaner window, click the “Scan” It will scan through the whole system for the One System Care and ad-supported software that developed to download and install various unwanted software. This process can take some time, so please be patient. During the scan it’ll detect all threats exist on your machine.
- Once the scan is finished, you may check all threats found on your system. Review the report and then click “Clean”. If the AdwCleaner will ask you to restart your PC system, click “OK”.
The step-by-step guide shown in detail in the following video.
How to stay safe online
Using an ad-blocking program like AdGuard is an effective way to alleviate the risks. Additionally, ad-blocker programs will also protect you from malicious advertisements and, of course, stop redirection chain to various unwanted web sites.
Installing the AdGuard ad blocking program is simple. First you’ll need to download AdGuard from the following link.
25680 downloads
Version: 6.4
Author: © Adguard
Category: Security tools
Update: November 15, 2018
When the downloading process is done, double-click the downloaded file to start it. The “Setup Wizard” window will show up on the computer screen as shown on the screen below.
Follow the prompts. AdGuard will then be installed and an icon will be placed on your desktop. A window will show up asking you to confirm that you want to see a quick instructions as shown on the image below.
Click “Skip” button to close the window and use the default settings, or click “Get Started” to see an quick guide which will allow you get to know AdGuard better.
Each time, when you run your PC system, AdGuard will run automatically and block pop-up advertisements, as well as other harmful or misleading web-sites. For an overview of all the features of the application, or to change its settings you can simply double-click on the AdGuard icon, that can be found on your desktop.
To sum up
Once you’ve done the steps outlined above, your PC system should be clean from One System Care, malicious software, hijackers and adware. The Chrome, Internet Explorer, Firefox and Edge will no longer show annoying web sites when you browse the World Wide Web. Unfortunately, if the step by step tutorial does not help you, then you have caught a new ad-supported software, and then the best way – ask for help.
- Download HijackThis from the link below and save it to your Desktop.
HijackThis download
4168 downloads
Version: 2.0.5
Author: OpenSource
Category: Security tools
Update: November 7, 2015
- Double-click on the HijackThis icon. Next click “Do a system scan only” button.
- When that process is finished, the scan button will read “Save log”, click it. Save this log to your desktop.
- Create a Myantispyware account here. Once you’ve registered, check your e-mail for a confirmation link, and confirm your account. After that, login.
- Copy and paste the contents of the HijackThis log into your post. If you are posting for the first time, please start a new thread by using the “New Topic” button in the Spyware Removal forum. When posting your HJT log, try to give us some details about your problems, so we can try to help you more accurately.
- Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the One System Care PUP.
