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Easy steps to get rid of Win Erx03 (video guide included)

removal by Julie Splinters - - | Type: Adware

Win Erx03 – a fraudulent error seeking to convince users that to fix their damaged Windows OS, they need to download the fake software

Win Erx03 scam

Win Erx03 is a fake error message trying to intimidate users that their Windows OS is damaged and needs fixing immediately. According to the message, users should press the “Update” button to install the alleged repair software. However, this is nothing but a scam that tries to make victims install bogus software or make them disclose personal information that can later be used for illegal purposes. Furthermore, the developers have started using Cloudfront to load their fake alerts (ads have mostly been coming from The main reason for the appearance of Win Erx03 virus is a malicious JavaScript[1] that is embedded in unsafe sites. However, there is a possibility that redirects to questionable sites might result in adware or other unwanted program infection.

Name Win Erx03
Type Scam/fake error/scam/malware/adware
Operating system affected Windows OS, MacOS
Main signs of infection Impersonates Microsoft; informs its victims that the system is damaged; pushes fake updates
Main dangers Downloading malware; revealing personal information
Cause JavaScript on malicious websites or adware
Elimination Use ad blocker; in case of the adware, follow our instructions below
Optimization Scan your system with Reimage Reimage Cleaner Intego if you experience any errors

Online scams like Win Erx03 on Windows 10 are designed to make users download bogus software,[2] as security researchers claim.[3] Unfortunately, such applications can be harmful to the system. For that reason, under no circumstances, you should click “Update” as the executable can be launched straight away. Instead, close down your Google Chrome or another browser that you are using and get rid of Win Erx03 by eliminating the cause.

The error reads as follows:

Your Windows system is damaged
Windows Version: Windows 10
Please, pay attention: Your version of software is damaged and obsolete. As a result, all system files are automatically deleted: 0 seconds
Important: Click on the “Update” button to install the newest software to scan and protect your files from being deleted

Of course, anybody who knows something about computers at least a bit, this claim would sound silly. Your system files cannot be deleted that easily because Windows has certain precaution measures set in place. While some malware could modify or delete files, it would definitely not be announced in the pop-up message.[4] For that reason, many users instantaneously recognize that Win Erx03 pop up is fake.

If you been encountering Win Erx 03 malware occasionally, you do not need to do anything special, simply ignore it. Installing such applications like AdBlock or similar could block many malicious ads and prevent the pop-up from showing up again. However, if you suffer from persistent redirects, intrusive ads, a slow browser, and similar issues, you should remove Win Erx03 virus by uninstalling suspicious entries as it has nothing in common with Microsoft[5] or other companies that it impersonates. You will find full instructions below.

Win Erx03 PUPWin Erx03 is a potentially unwanted application that may appear in a software bundle

In case you already clicked “Update” and installed something, you should scan your machine with anti-malware software, as most of the malicious software cannot be eliminated manually. Afterward, we recommend using Reimage Reimage Cleaner Intego to fix the damage done to the PC. All components related to Win Erx 03 have to be removed, otherwise, the program might renew itself in a short period of time.

Note that there is no reason for postponing Win Erx03 removal on your computer as this program is created for illegitimate purposes only. If you want to be sure that the rogue program is bombarding fake alerts, we advise scanning your computer system with a reliable computer tool that will show you true results. Once the scan is finished, you should see that there are no errors or malware to the ones that were provided by the scam.

Win Erx03 messageWin Erx03 message is a scam that can lead to malware infections

Stay away from suspicious websites and beware of bundled software

Potentially unwanted programs usually spread with the help of software bundling – a technique that allows freeware developers to hide optional components within the installation wizard of the program. While the information about the additional programs is provided, it is usually hidden under Advanced/Custom installation setting, which most users skip and go for the Recommended/Quick mode.

Another trick used is the pre-selected boxes that users might not notice if they click “Next” several times. Therefore, pick Advanced settings and scrutinize the installation steps to avoid getting tricked. Additionally, it is also as important to pick legitimate download sources for the programs. Third-party websites are filled with adware[6] and other PUPs, although the “reputable” download sites like or Cnet are filled with bundled software.

Get rid of Win Erx03 virus from Google Chrome, Internet Explorer, Mozilla Firefox

Fortunately, there are several ways to prevent the persistent ads from showing up on your browsers. To remove Win Erx03 virus, you should first check for adware on your machine. You can find full instructions below. However, you can also rely on security software that specializes in detecting and eliminating potentially unwanted programs automatically. These programs will ensure you that the elimination will be finished fast and successfully.

If you checked your machine for unwanted applications and did not find any, we suggest you use ad-blocking application for Win Erx03 removal from your browsers. This method can effectively prevent bogus messages from appearing while browsing the web. This is a good option if wanted to avoid ads that show up on specific websites only. However, make sure your system is not infected first.

Follow steps in a special video to fix the system faster

If you spotted the fake alert on your browser, note that it should be terminated before it forces system crashes and redirects to unapproved domains. Those who are struggling with Win Erx03 elimination should check our video guide explaining how to get rid of the virus from the machine completely. The video will guide you through the entire elimination process. Click here to view it:

You may remove virus damage with a help of Reimage Reimage Cleaner Intego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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Reimage Happiness
Intego Happiness
Compatible with Microsoft Windows Supported versions Compatible with OS X Supported versions
What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

To remove Win Erx03, follow these steps:

Erase Win Erx03 from Windows systems

To stop intrusive pop-ups from Win Erx03 malware, delete all suspicious programs that you can't identify. For that, use this guide:

To remove Win Erx03 from Windows 10/8  machines, please follow these steps:

  1. Enter Control Panel into Windows search box and hit Enter or click on the search result.
  2. Under Programs, select Uninstall a program.Uninstall from Windows 1
  3. From the list, find entries related to Win Erx03 (or any other recently installed suspicious program).
  4. Right-click on the application and select Uninstall.
  5. If User Account Control shows up, click Yes.
  6. Wait till uninstallation process is complete and click OK.Uninstall from Windows 2

If you are Windows 7/XP user, proceed with the following instructions:

  1. Click on Windows Start > Control Panel located on the right pane (if you are Windows XP user, click on Add/Remove Programs).
  2. In Control Panel, select Programs > Uninstall a program.Uninstall from Windows 7/XP
  3. Pick the unwanted application by clicking on it once.
  4. At the top, click Uninstall/Change.
  5. In the confirmation prompt, pick Yes.
  6. Click OK once the removal process is finished.

Delete Win Erx03 from Internet Explorer (IE)

To get rid of the fake error, reset IE. This procedure will help you refresh your web browser by removing unwanted add-ons:

Remove dangerous add-ons:

  1. Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
  2. Pick Manage Add-ons.
  3. You will see a Manage Add-ons window. Here, look for Win Erx03 and other suspicious plugins. Click on these entries and select Disable.Remove add-ons from Internet Explorer

Change your homepage if it was altered:

  1. Open IE and click on the Gear icon.
  2. Select Internet Options.
  3. In the General tab, delete the Home page address and replace it by your preferred one (for example,
  4. Click Apply and then select OK.Reset IE homepage

Delete temporary files:

  1. Press on the Gear icon and select Internet Options.
  2. Under Browsing history, click Delete…
  3. Select relevant fields and press Delete.Clear temporary files from Internet Explorer

Reset Internet Explorer:

  1. Click on Gear icon > Internet options and select Advanced tab.
  2. Select Reset.
  3. In the new window, check Delete personal settings and select Reset again to complete Win Erx03 removal.Reset Internet Explorer

Uninstall Win Erx03 from Microsoft Edge

Clean your Microsoft Edge browser from all unwanted add-ons by performing these instructing steps:

Delete unwanted extensions from MS Edge:

  1. Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
  2. From the list, pick the Win Erx03-related extension and click on the Gear icon.
  3. Click on Uninstall at the bottom.Remove extensions from Edge

Clear cookies and other browser data:

  1. Click on the Menu (three horizontal dots at the top-right of the browser window) and select Privacy & security.
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select everything (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.Clear Edge browsing data

Reset MS Edge if that above steps did not work:

  1. Press on Ctrl + Shift + Esc to open Task Manager.
  2. Click on More details arrow at the bottom of the window.
  3. Select Details tab.
  4. Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.Reset MS Edge

If this solution failed to help you, you need to use an advanced Edge reset method. Note that you need to backup your data before proceeding.

  1. Find the following folder on your computer: C:\\Users\\%username%\\AppData\\Local\\Packages\\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  2. Press Ctrl + A on your keyboard to select all folders.
  3. Right-click on them and pick DeleteAdvanced MS Edge reset 1
  4. Now right-click on the Start button and pick Windows PowerShell (Admin).
  5. When the new window opens, copy and paste the following command, and then press Enter:

    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml” -VerboseAdvanced MS Edge reset 2

Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

  1. Open Edge and click select Settings > Extensions.
  2. Delete unwanted extensions by clicking Remove.Remove extensions from Chromium Edge

Clear cache and site data:

  1. Click on Menu and go to Settings.
  2. Select Privacy and services.
  3. Under Clear browsing data, pick Choose what to clear.
  4. Under Time range, pick All time.
  5. Select Clear now.Clear browser data from Chroum Edge

Reset Chromium-based MS Edge:

  1. Click on Menu and select Settings.
  2. On the left side, pick Reset settings.
  3. Select Restore settings to their default values.
  4. Confirm with Reset.Reset Chromium Edge

Get rid of Win Erx03 from Mozilla Firefox (FF)

To remove Win Erx03 message, refresh Firefox browser:

Remove dangerous extensions:

  1. Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
  2. Select Add-ons.
  3. In here, select plugins that are related to Win Erx03 and click Remove.Remove extensions from Firefox

Clear cookies and site data:

  1. Click Menu and pick Options.
  2. Go to Privacy & Security section.
  3. Scroll down to locate Cookies and Site Data.
  4. Click on Clear Data…
  5. Select Cookies and Site Data, as well as Cached Web Content and press Clear.Clear cookies and site data from Firefox

In case Win Erx03 did not get removed after following the instructions above, reset Mozilla Firefox:

  1. Open Mozilla Firefox browser and click the Menu.
  2. Go to Help and then choose Troubleshooting Information.Reset Firefox 1
  3. Under Give Firefox a tune up section, click on Refresh Firefox…
  4. Once the pop-up shows up, confirm the action by pressing on Refresh Firefox – this should complete Win Erx03 removal.Reset Firefox 2

Remove Win Erx03 from Google Chrome

Delete all PUP-related content from Chrome. Use this guide if help is needed:

Delete malicious extensions from Google Chrome:

  1. Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
  2. In the newly opened window, you will see all the installed extensions. Uninstall all the suspicious plugins that might be related to Win Erx03 by clicking Remove.Remove extensions from Chrome

Clear cache and web data from Chrome:

  1. Click on Menu and pick Settings.
  2. Under Privacy and security, select Clear browsing data.
  3. Select Browsing history, Cookies and other site data, as well as Cached images and files.
  4. Click Clear data.Clear cache and web data from Chrome

If the above-methods did not help you, reset Google Chrome to eliminate all the Win Erx03-components:

  1. Click on Menu and select Settings.
  2. In the Settings, scroll down and click Advanced.
  3. Scroll down and locate Reset and clean up section.
  4. Now click Restore settings to their original defaults.
  5. Confirm with Reset settings to complete Win Erx03 removal.Reset Chrome 2

Erase Win Erx03 from Safari

You can refresh the Safari web browser by following these instructions:

Remove unwanted extensions from Safari:

  1. Click Safari > Preferences…
  2. In the new window, pick Extensions.
  3. Select the unwanted extension related to Win Erx03 and select Uninstall.Remove extensions from Safari

Clear cookies and other website data from Safari:

  1. Click Safari > Clear History…
  2. From the drop-down menu under Clear, pick all history.
  3. Confirm with Clear History.Clear cookies and website data from Safari

Reset Safari if the above-mentioned steps did not help you:

  1. Click Safari > Preferences…
  2. Go to Advanced tab.
  3. Tick the Show Develop menu in menu bar.
  4. From the menu bar, click Develop, and then select Empty Caches.Reset Safari

Do not let government spy on you

The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices. Avoid any unwanted government tracking or spying by going totally anonymous on the internet. 

You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using Private Internet Access VPN.

Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.

Backup files for the later use, in case of the malware attack

Computer users can suffer from data losses due to cyber infections or their own faulty doings. Ransomware can encrypt and hold files hostage, while unforeseen power cuts might cause a loss of important documents. If you have proper up-to-date backups, you can easily recover after such an incident and get back to work. It is also equally important to update backups on a regular basis so that the newest information remains intact – you can set this process to be performed automatically.

When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware strikes out of nowhere. Use Data Recovery Pro for the data restoration process.

About the author
Julie Splinters
Julie Splinters - Malware removal specialist

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