Browser Redirect

“Security Update Error” Scam Removal (Oct. 2017 Update)

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

This page aims to help you remove “Security Update Error” Scam. Our removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

If you have ever been infected by a browser hijacker before, you no doubt recognize the first symptoms and will be sure to identify the type of infection immediately. For those users, who have never had to deal with one in the past, the first browser hijacker encounter may be rather startling. At first you’re likely to notice that your browser greets you with a new homepage – one you don’t recall ever setting. After that you will be sure to also see that there’s a new, unfamiliar default search engine, which you also didn’t put there. And after that you will be plagued by a series of page redirects to seemingly random websites and various pages promoting different products and services. One of the latest hijackers to be forcing users to deal with these unwanted changes is “Security Update Error” Scam. Is this program dangerous? Can it cause any damage to your system or files? How do you make all the ads and unwanted browser settings go away? The answers to these and other questions is what this article is dedicated to, as well as providing a solution for your “Security Update Error” issue.

What browser hijackers are really all about

Let’s start by answering perhaps the most pressing question, namely that of the harmfulness of “Security Update Error”. First of all, “Security Update Error” is most certainly not a virus. It doesn’t possess any of the dangerous qualities that malicious programs like spyware, ransomware, Trojans or worms do. With that in mind, though, that’s still not to say that a browser hijacker like this is completely safe and beneficial. Frankly, it’s neither of those. Generally, security experts categorize browser hijackers and similar software as potentially unwanted programs or PUPs. There are a number of reasons for this, one of them being the fact that they genuinely do not benefit the end user in any way. Basically, the only reason programs like these exist is so that they can gain exposure for different websites, products and services and in doing so – generate revenue for their developers. Regular users, on the other hand, are often left irritated and annoyed with their browsing experience.

Besides that, a program like “Security Update Error” can actually compromise your computer’s overall performance in the long haul. As it integrates with your system, it used its resources to generate all those ads and run its background activities. This, in turn, results in less free disk space and less RAM and another process that your computer can do without. Furthermore, this can then subsequently lead to your computer becoming sluggish, you can suffer lags, browser crashes and general unresponsiveness. There’s also the fact to consider that browser hijackers often meddle with the system registry files on your computer. As a result, this could potentially lead to it becoming more vulnerable and this, in turn, opens up the possibilities for landing virus infections. And with all those odd pages that you constantly get redirected to on a daily basis, you never know what could be lurking out there, just waiting for a week system to come along.

“Security Update Error” Scam Removal

If you are a Windows user, continue with the guide below.

If you are a Mac user, please use our How to remove Ads on Mac guide.

If you are an Android user, please use our Android Malware Removal guide.


Some of the steps will likely require you to exit the page. Bookmark it for later reference.

Reboot in Safe Mode (use this guide if you don’t know how to do it).



We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

Press CTRL + SHIFT + ESC at the same time and go to the Processes Tab (the “Details” Tab on Win 8 and 10). Try to determine which processes are dangerous. 


Right click on each of them and select Open File Location. Then scan the files with our free online virus scanner:

Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result

After you open their folder, end the processes that are infected, then delete their folders. 

Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections. 


Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.


Hold the Start Key and R –  copy + paste the following and click OK:

notepad %windir%/system32/Drivers/etc/hosts

A new file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below:

hosts_opt (1)

If there are suspicious IPs below “Localhost” – write to us in the comments.

Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

  1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
  2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
  3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.



  • After you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a system reboot.

Right click on the browser’s shortcut —> Properties.

NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


Properties —–> Shortcut. In Target, remove everything after .exe.

ie9-10_512x512  Remove “Security Update Error” from Internet Explorer:

Open IE, click  IE GEAR —–> Manage Add-ons.

pic 3

Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

firefox-512 Remove “Security Update Error” from Firefox:

Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

pic 6

Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove “Security Update Error” from Chrome:

Close Chrome. Navigate to:

 C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

Rename the Folder to Backup Default

Rename it to Backup Default. Restart Chrome.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show up this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

Another highly unpleasant feature of most programs like “Security Update Error” is their ability to keep tabs on your browsing patterns. They can monitor your latest search requests, review the type of content you come into contact with, determine which of it appears to be more interesting to you and based on that they can then rearrange the online ads. That way the program increases its chances of you actually clicking on its numerous popups, banners, etc., so that you can generate even more revenue for the developers.

Last but not least, there’s the way that “Security Update Error” Scam got installed in the first place that also needs to be taken into consideration. Most users don’t even realize they’ve installed a browser hijacker, whereas they actually did so by allowing it to be installed as an added component to some other program. To prevent this from happening in the future, be sure to always manually customize the installation process of new software. Opt for the more detailed Custom, Advanced or Manual installation option, so you gain more control over the entire procedure. Most times you will at some point reach a step where you are asked whether you would like to allow a list of added components to be installed as well. If you rush things and just automatically click Next, you will likely end up with those components in your system. And if you don’t, you will have the time and the opportunity to remove the ticks from the boxes opposite each of those programs and thus deny them access to your system.


Name “Security Update Error”
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Popups, banners, page redirects, changes to the browsers’ settings, etc.
Distribution Method Program bundles are the leading sources of browser hijackers and similar software.
Detection Tool

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version. More information about SpyHunter and steps to uninstall.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

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