If you see “Your Windows OS is Damaged” pop-up you will find out what it is from this article and how to remove it from your computer. “Your Windows OS is Damaged” pop-up is a fake message that will try to scare you into taking action.
A new suspicious pop-up, headed “Upgrade your Flash Player”. Has been reported by victims to introduce System Warning messages which pretend to come from Microsoft. The primary message, named “Your Windows OS is damaged” aims to scare the victim by claiming that the operating system running on the affected PC is under risk. However, you should be aware that this is a fake message which aims to get you to click on the “UPDATE” button in order to download hoax security software which does more harm than good. If you see the “Your Windows OS is damaged” on your web browser, recommendations are to immediately take actions towards removing the software causing those advertisements to appear on your PC, preferably by reading this article on how to do the removal.
Threat Summary
| Name | "Your Windows OS is damaged" |
| Type | Potentially Unwanted Program |
| Short Description | Displays a fake system warning, claiming that the victim’s operating system has been compromised to get him/her to download a fake antivirus software. |
| Symptoms | Multiple advertisements from the same character. Slow performance of the victim’s computer. The pop-up Tab is named “Update Your Flash Player” to deceive the victim that the pop-up does not belong to the web page. |
| Distribution Method | Via bundled installers, fake setups or via other PUP that has already been installed on your PC. |
| Detection Tool |
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User Experience | Join Our Forum to Discuss "Your Windows OS is damaged". |
“Your Windows OS is damaged” – How Did I Get It
The primary method by which this suspicious pop-up may have started appearing on your computer is if it has a potentially unwanted program installed on it. Such programs usually only pretend to be helpful to your computer, like optimize it’s speed and performance or display more relevant searchers. However, they do more harm than good and are often slithered along with other free programs you may have sought to download online. Such freeware is often programs, like drivers, media players and other often downloaded software.
It is not easy to detect the unwanted software causing the “Your Windows OS is damaged” pop-up to appear on your computer system. The unwanted program is usually concealed deep within the “Custom” or “Advanced” installation modes in the installation steps of a program you have voluntarily downloaded and installed, so we advise you to always check carefully what you install in the future, to prevent this from ocurring again, since not all antivirus programs detect intrusive programs, like the one causing the “Your Windows OS is damaged” pop-up to appear.
“Your Windows OS is damaged” Pop-up – Activity and Purpose
When the suspicious software, related to “Your Windows OS is damaged” pop-up is installed on your computer, it’s files may exist in various different Windows directories, including the %Program Files% one. In addition to this, the software may also create scheduled tasks that allow it to run automatically when you start your computer. It’s primary purpose is to display different forms of advertisements on your computer. Usually such PUPs (potentially unwanted programs) aim to display ads by heavily modifying your browser’s settings to show such advertised content, even if you have software, like AdBlock added. The advertisements displayed may vary but are primarily of the same type as the “Your Windows OS is damaged” pop-up, which looks like the following:
Judging by the text which is displayed by this pop-up, it immediately becomes evident that it aims to get you to download only what seems to be security software or an update, which is usually a fake helper program:
Your Windows OS is damaged
Your Windows version:
Note: Your current version of Windows Security infected with Viruses and other
malicious applications. Viruses must be removed in:
{FAKE TIMER}
Important: Please click UPDATE button to install the latest version and
protect your data.
This message aims to induce fear in users who are inexperienced and believe the message is genuine. The end goal is to click on the UPDATE button which may pose different risks to the victim’s computer, such as:
- Download fake helper programs whose primary purpose is to display fake detections of malware in order to get victims to pay for a licesed version of the program to remove “the detections”.
- Infect the user with different malware, like Trojans, Ransomware and even cryptocurrency miner viruses.
- Lead you to other pop-ups of similar nature, like Tech Support scams, for example.
Remove “Your Windows OS is damaged” Pop-up Completely from Your Computer
In order to remove this unwanted program from your computer, system we strongly suggest that you follow the removal instructions down below. They are specifically created in order to help you delete the “Your Windows OS is damaged” pop-up-causing software either manually or automatically. If manual removal does not seem to work for you or you lack experience in how to delete this unwanted software manually, experts advise to download an advanced anti-malware software which will automatically make sure that all unwanted software and malware that may currently be residing on your computer is gone and it becomes real-time protected against future threats and intrusive programs.
Delete "Your Windows OS is damaged" from Windows and Your Browser
Remove or Uninstall "Your Windows OS is damaged" in Windows.
Step 1: Remove/Uninstall "Your Windows OS is damaged" in Windows
Here is a method in few easy steps to remove that program. No matter if you are using Windows 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program get left behind, and that can lead to unstable work of your PC, mistakes with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Select the program that you want to remove, and press “Uninstall” (fig.3).
Follow the instructions above and you will successfully uninstall "Your Windows OS is damaged".
Remove "Your Windows OS is damaged" from Your Browser.
Remove a toolbar from Mozilla Firefox
Remove a toolbar from Google Chrome
Remove a toolbar from Internet Explorer
Remove a toolbar from Safari
Select the “Add-ons” icon from the menu
Select "Your Windows OS is damaged" and click “Remove“
After "Your Windows OS is damaged" is removed, restart Mozilla Firefox by closing it from the red “X” in the top right corner and start it again.
Select "Your Windows OS is damaged" to remove, and then click ‘Disable’. A pop-up window will appear to inform you that you are about to disable the selected toolbar, and some additional toolbars might be disabled as well. Leave all the boxes checked, and click ‘Disable’.
After "Your Windows OS is damaged" has been removed, restart Internet Explorer by closing it from the red ‘X’ in the top right corner and start it again.
Open the drop menu by clicking on the sprocket icon in the top right corner.
From the drop menu select ‘Preferences’
In the new window select ‘Extensions’
Click once on "Your Windows OS is damaged"
Click ‘Uninstall’
A pop-up window will appear asking for confirmation to uninstall "Your Windows OS is damaged". Select ‘Uninstall’ again, and the "Your Windows OS is damaged" will be removed.
Remove "Your Windows OS is damaged" automatically by downloading an advanced anti-malware program.
Remove "Your Windows OS is damaged" with SpyHunter Anti-Malware Tool
1. Install SpyHunter to scan for and remove "Your Windows OS is damaged".2. Scan with SpyHunter to Detect and Remove "Your Windows OS is damaged".Step 2: Guide yourself by the download instructions provided for each browser.
Step 3: After you have installed SpyHunter, wait for it to automatically update.
Step1: After the update process has finished, click on the ‘Scan Computer Now’ button.
Step2: After SpyHunter has finished scanning your PC for any "Your Windows OS is damaged" files, click on the ‘Fix Threats’ button to remove them automatically and permanently.
Step3: Once the intrusions on your PC have been removed, it is highly recommended to restart it.
Back up your data to secure it against attacks in the future
IMPORTANT! Before reading the Windows backup instructions, we highly recommend to back up your data automatically with cloud backup and insure it against any type of data loss on your device, even the most severe. We recommend reading more about and downloading SOS Online Backup .
1. For Windows 7 and earlier 1. For Windows 8, 8.1 and 10 1. Enabling the Windows Defense Feature (Previous Versions)1-Click on Windows Start Menu
2-Type Backup And Restore
3-Open it and click on Set Up Backup
4-A window will appear asking you where to set up backup. You should have a flash drive or an external hard drive. Mark it by clicking on it with your mouse then click on Next.
5-On the next window, the system will ask you what do you want to backup. Choose the ‘Let Me Choose’ option and then click on Next.
6-Click on ‘Save settings and run backup’ on the next window in order to protect your files from possible attacks by "Your Windows OS is damaged".
2-In the window type ‘filehistory’ and press Enter
3-A File History window will appear. Click on ‘Configure file history settings’
4-The configuration menu for File History will appear. Click on ‘Turn On’. After its on, click on Select Drive in order to select the backup drive. It is recommended to choose an external HDD, SSD or a USB stick whose memory capacity is corresponding to the size of the files you want to backup.
5-Select the drive then click on ‘Ok’ in order to set up file backup and protect yourself from "Your Windows OS is damaged".
1- Press Windows button + R keys.
2- A run windows should appear. In it type ‘sysdm.cpl’ and then click on Run.
3- A System Properties windows should appear. In it choose System Protection.
5- Click on Turn on system protection and select the size on the hard disk you want to utilize for system protection.
6- Click on Ok and you should see an indication in Protection settings that the protection from "Your Windows OS is damaged" is on.
Restoring a file via Windows Defense feature:
1-Right-click on the encrypted file, then choose Properties.
2-Click on the Previous Versions tab and then mark the last version of the file.
3-Click on Apply and Ok and the file encrypted by "Your Windows OS is damaged" should be restored.
Remove "Your Windows OS is damaged" Using Other Alternative Tools
STOPZilla Anti MalwareStep 1: Download STOPZilla by clicking here.
Step 2: A pop-up window will appear. Click on the ‘Save File’ button. If it does not, click on the Download button and save it afterwards.
Step 3: After you have downloaded the setup, simply open it.
Step 4: The installer should appear. Click on the ‘Next’ button.
Step 5: Check the ‘I accept the agreement’ check circle if not checked if you accept it and click the ‘Next’ button once again.
Step 6: Review and click on the ‘Install’ button.
Step 7: After the installation process has completed click on the ‘Finish’ button.
2. Scan your PC with STOPZilla Anti Malware to remove all "Your Windows OS is damaged" associated files completely.
Step 1: Launch STOPZilla if you haven’t launched it after install.
Step 2: Wait for the software to automatically scan and then click on the ‘Repair Now’ button. If it does not scan automatically, click on the ‘Scan Now’ button.
Step 3: After the removal of all threats and associated objects, you should Restart your PC.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
Follow Me:
- Guide 1: How to Remove "Your Windows OS is damaged" from Windows.
- Guide 2: Get rid of "Your Windows OS is damaged" from Mac OS X.
- Guide 3: Remove "Your Windows OS is damaged" from Google Chrome.
- Guide 4: Erase "Your Windows OS is damaged" from Mozilla Firefox.
- Guide 5: Uninstall "Your Windows OS is damaged" from Microsoft Edge.
- Guide 6: Remove "Your Windows OS is damaged" from Safari.
- Guide 7: Eliminate "Your Windows OS is damaged" from Internet Explorer.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
How to Remove "Your Windows OS is damaged" from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove "Your Windows OS is damaged"
Step 2: Uninstall "Your Windows OS is damaged" and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully uninstall most programs.
Step 3: Clean any registries, created by "Your Windows OS is damaged" on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by "Your Windows OS is damaged" there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Get rid of "Your Windows OS is damaged" from Mac OS X.
Step 1: Uninstall "Your Windows OS is damaged" and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove "Your Windows OS is damaged" via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove "Your Windows OS is damaged" files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as "Your Windows OS is damaged", the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove "Your Windows OS is damaged" from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Erase "Your Windows OS is damaged" from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Uninstall "Your Windows OS is damaged" from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Remove "Your Windows OS is damaged" from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the "Your Windows OS is damaged" will be removed.
Windows Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer
Eliminate "Your Windows OS is damaged" from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.
