One SystemCare (also known as One System Care) is an irritating malware program that promises to optimize your PC – but doesn’t actually do anything useful. You may have accidentally installed One SystemCare when it was bundled with free PC software. Or, some people download One SystemCare directly because they think it’s going to solve their PC problems.
After you install One SystemCare or One System Care, the software goes through the same scammy procedure: it takes a few minutes to scan your system. Once the scan is complete, the software will scare you with warning messages and pop-ups describing how your computer is infected. In reality, your computer is perfectly okay.
Ultimately, One SystemCare is a potentially unwanted program you should probably remove. Depending where you look online, the software is even categorized as a virus.

How to Uninstall One SystemCare (or One System Care) Manually

Uninstalling One SystemCare on Windows 10 or Windows 8

Are you using Windows 10 or 8? Follow the steps below to remove One SystemCare from your system.
Step 1) Right-click on the Windows icon (the Start Button) in the bottom left-hand corner of the screen, then click Control Panel from the pop-up menu.

Step 2) Under Programs, click Uninstall a program.

Step 3) Scan the list until you see One SystemCare. If you see it, click the Uninstall button beside the entry to remove it.

Uninstalling System Healer on Windows Vista, Windows 7, or Windows XP

If you’re using an older version of Windows, then you’re not immune from One SystemCare problems. Follow the steps below to remove the software.
Step 1) Left-click the Windows icon in the bottom left corner of your screen (the Start Button), then click Control Panel.

Step 2) Under Programs, click Uninstall a program.

Step 3) Click Programs and Features. Look for One SystemCare from the menu that pops up. Scroll through the list until you see it, then remove it.

Even after you’ve removed One SystemCare from your PC’s programs menu, you may still need to remove it from each individual browser you use. Follow the steps below to do that.

Internet Explorer

Step 1) Open IE and tap the Alt+T keys on your keyboard at the same time
Step 2) Click Manage Add-ons, then click Toolbars and Extensions
Step 3) Look for One SystemCare (or One System Care) on your list of extensions, then remove it

Google Chrome

Step 1) Open Chrome
Step 2) Tap the Alt+F keys
Step 3) Click Tools, then Extensions
Step 4) Look for One SystemCare (or One System Care) and click the trash can icon to remove it from Chrome

Mozilla Firefox

Step 1) Open Mozilla Firefox
Step 2) Tap the Ctrl+Shift+A keys to open the Settings menu, then click Extensions
Step 3) Look for One SystemCare (or One System Care), then remove it
If you don’t see One SystemCare in any of the above browsers, then that’s okay: the software is mostly desktop-based PC optimization software that has minimal effect on your browsers. However, it’s always a good idea to check to make sure.

Removing One SystemCare (or One System Care) with AdwCleaner

AdwCleaner is one of the easiest virus removal programs we’ve used. In under 60 seconds, it can totally remove One SystemCare from your PC. Follow the steps below for any version of Windows.
Step 1) To begin, click on this link to download AdwCleaner from the official website: AdwCleaner Download (this will open a new browser window and start the download process)

Step 2) Double-click on the installation file you just downloaded (it should be in your desktop or downloads folder)

Step 3) Open the software if it doesn’t open automatically, then click Scan

Step 4) Wait 3 to 5 minutes for the scan to be completed.

Step 5) After the scan, AdwCleaner will display a list of infected files – including any files linked to One SystemCare. Save and close your documents, then let AdwCleaner restart your PC to finalize the removal.
Ultimately, One SystemCare makes big promises about its effectiveness as PC optimization software – but fails to live up to those promises. The software appears to find fake problems on your PC, then tries to convince users that they’re serious problems that compromise the security of your PC. In reality, the only thing compromising the security of your PC is One SystemCare. Follow the guides listed above to remove it from your system completely.

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