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  • Active
  • Severity: Medium
  • Adware
  • Windows
  • Verified · Nov 2019

How to remove ERROR 0xC004FC03 scam

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Alice Woods · Likes to teach users about virus prevention

ERROR 0xC004FC03 scam – a fake message that claims about suspicious activity detected that puts personal data in big danger

ERROR 0xC004FC03 scam

ERROR 0xC004FC03 is a misleading notification that urges users to call fake technical support to fix system failure. The message states that suspicious actions have been spotted on the computer and that private data has been put in danger. The scam also tells users that some type of malware deleted an important system file that forced the computer to fail and dialing the +1-833-292-1252 phone number is a way to fix things. Nevertheless, ERROR 0xC004FC03 virus threatens users that if the machine is turned off, the entire system will lose functionality and sensitive data will be gone forever.

Name ERROR 0xC004FC03 
Type Pop-up scam/technical support scam
Cause This suspicious message can be caused by an adware program or met on unsecured online networks
Danger Scammers might try to swindle personal information or money from you if you contact the
Fake number The +1-833-292-1252 phone number is provided as a way “to fix” system corruption
Goal To threaten users that their computers have been infected and private data is at risk of exposure and convince them to call the given phone number
Removal Use software such as FortectIntego that might help you fix issues initiated by the cause of this scam – an adware virus. Afterward, scroll to the end of the article and go through removal techniques

There should be no beliefs put in ERROR 0xC004FC03 pop-up scam as this is a completely false message that can appear while visiting unsecured sources online of if some type of PUP (for example, adware) has infiltrated your computer secretly and is now forcing the scam to appear.

ERROR 0xC004FC03 virus also threatens users that some pornographic spyware and other malware has been detected on the Windows computer system. As a result, Facebook login information, credentials, email account data, and photos/documents saved on the current computer are in big danger.

As you can see, developers that are behind the ERROR 0xC004FC03 virus are great manipulators. They seek to threaten users and force them to call via the given technical support number. These people even append the Windows logo to their message just to give it a more reliable look.

Dialing the number provided in ERROR 0xC004FC03 scam is a bad idea. Scammers might try to trick you and seek to swindle sensitive data from you. They might ask for technical information in order to connect to your computer remotely and install malware, steal data, swindle big sums of money, or monitor other malicious activities.

ERROR 0xC004FC03 pop-up scam

Continuously, ERROR 0xC004FC03 might trick you into downloading completely useless security products that you do not truly need. There is a big variety of rogue system software created for Windows and the hackers might try to convince you to download one of such tools.

Onlinebookreading.site is one of the suspicious websites that might distribute ERROR 0xC004FC03 scam. According to VirusTotal URL information, this page has been flagged as malicious and phishing by AV engines such as Avira (no cloud), CyRadar, Kaspersky, Sophos AV, CRDF, Fortinet, and Netcraft.[1]

You cannot decline the possibility that the scam message has appeared due to a secret adware installation. The only way to remove ERROR 0xC004FC03 scam is to find out its cause. You can employ software such as SpyHunterCombo Cleaner that might help you to find potentially suspicious programs on your Windows machine. Additionally, double-check the system with FortectIntego to eliminate virus damage.

Once the cause is identified, you can successfully perform the ERROR 0xC004FC03 removal process. If an adware app was involved, you will supposedly need to reverse browsers such as Chrome, Firefox, Edge, Explorer, and others in case the program added suspicious content to them.

ERROR 0xC004FC03 virus

Distribution possibilities of PUPs

ZonderVirus.nl experts[2] claim that potentially unwanted programs such as adware are intensively promoted through dubious advertisements and hyperlinks that can be found on popularly-visited networks. Developers misuse the low protection level of third-party sites and inject their products in them.

Continuously, various third-party downloading sources such as download.com or softonic.com might promote software bundling. Adware is often hidden in a software package and brought to the system as an additional product.

The best way to avoid secret adware installation is to make sure that your configuration is set to Advanced or Custom and not the Quick or Recommended settings that allow PUPs[3] to sneak into computers unnoticed.

In addition, you should always have active antimalware protection on your computer system. Do not be afraid to invest in your security as you will definitely not regret it later. Make sure to get antivirus software that includes safe browsing, system scanning, threat prevention, and detection features.

Removal instructions for ERROR 0xC004FC03 scam

You should get concerned about the ERROR 0xC004FC03 scam removal process if the pop-up scam has been bothering you frequently and becoming hard to get rid of. If you receive the message on a particular website and it is even hard to shut down via Task Manager, try looking for a deeper cause.

Sometimes scams are delivered by adware programs. So if you want to remove ERROR 0xC004FC03 scam from your Windows computer system permanently, you should try employing reliable antimalware that will carry out a thorough system scan and look if any PUP has been triggering the scam's appearance.

When ERROR 0xC004FC03 pop-up scam is gone, you should go and check your web browsers too. If there was an adware program in your computer system, it might have filled browser apps with suspicious content or made some changes to them unknowingly.

Uninstall from Windows

Uninstall from Windows 10/8:

  1. Type Control Panel into the Windows search box and open the result.
  2. Under Programs, select Uninstall a program.Uninstall from Windows 10/8

Uninstall from Windows 7/XP:

  1. Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
  2. In Control Panel, select Programs > Uninstall a program.Uninstall from Windows 7/XP

Remove the unwanted program:

  1. In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
  2. If User Account Control appears, click Yes to confirm, then complete the removal.Uninstall the unwanted program from Windows

Reset Internet Explorer

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 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, Google.com).
  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.Reset Internet Explorer

Remove from Microsoft Edge

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 extension and click on the Gear icon.
  3. Click Remove.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 Settings > Privacy, search, and services..
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.Clear Edge browsing data

Restore new tab and homepage settings:

  1. Click the menu icon and choose Settings.
  2. Then find On startup section.
  3. Click Remove next to any suspicious startup page.

Reset MS Edge if the 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

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, search 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.
  5. This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.Reset Chromium Edge

Remove from Mozilla Firefox (FF)

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 the unwanted extension and click Remove.Remove extensions from Firefox

Reset the homepage:

  1. Click three horizontal lines at the top right corner to open the menu.
  2. Choose Settings.
  3. Under Home, set your preferred homepage and new tab settings.

Clear cookies and site data:

  1. Click Menu and pick Settings.
  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 and Temporary cached files and pages, then click Clear.Clear cookies and site data from Firefox

Reset Mozilla Firefox

If clearing the browser as explained above did not help, 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.Reset Firefox 2

Remove from Google Chrome

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 suspicious extensions related to the unwanted program 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

Change your homepage:

  1. Click menu and choose Settings.
  2. Look for a suspicious site in the On startup section.
  3. Click on Open a specific or set of pages and click on three dots to find the Remove option.

Reset Google Chrome:

If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted 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.Reset Chrome 2

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