Windows Problems Help Center

Monday, January 4, 2016

Guide to Remove Err3.9939153.info Popup Completely - Fake Alert Removal

What is Err3.9939153.info? Is it Harmful?


Err3.9939153.info is a malicious domain which is created to offer a bogus technical support pop-up or “security alert,” claiming your computer has been infected by a Trojan malware and ask you to call the given number to fix it. However, it is a false warning message aims to trick you to purchase unwanted service or install rogue security programs to remove the Trojan malware. You should never trust it since it is a online scam.

Once infected, err3.9939153.info may change your browser settings and then keep displaying pop-up windows with fake system alerts. You should never be tricked into calling the scam number or downloading unwanted program. It just wants to promote their paid support services/products and even trick you into giving the confidential information like account ID and passwords to attackers. Besides, by altering browser settings, it can investigate your online behaviours and gain website revenue through showing up varieties of ads. Gradually, your computer will run slower and slower and even be crashed.

All in all, err3.9939153.info is a malicious domain that is capable of brings numerous unwanted problems. You are suggested to remove it as soon as possible. If you have no much removal experience, please follow the removal solutions below carefully.

Get Rid of Err3.9939153.info With Effective Solutions


Solution A: Manual Removal Process Step by Step

Solution B: Automatic Removal Process (with Spyware&Malware Remover - SpyHunter)

Solution A: Manual Removal Process Step by Step


Step 1: Stop related running processes in Windows Task Manager first.

( Methods to open Task Manager: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC or Press the Start button->click on the Run option->Type in taskmgr and press OK.)


Step 2: Uninstall suspicious programs related to err3.9939153.info from Control Panel.

→ click Start→ click Control Panel

→ choose Programs→ choose Uninstall a Program

→ choose err3.9939153.info and the suspicious programs to uninstall


Step 3: Remove err3.9939153.info from your browsers.

Internet Explorer

1) Go to 'Tools' → 'Manage Add-ons';
2) Choose 'Search Providers' → choose 'Bing' search engine or 'Google' search engine and make it default;
3) Select "err3.9939153.info"and click 'Remove' to remove it;
4)  Go to 'Tools' → 'Internet Options', select 'General tab' and click 'Use default' button or enter your own website, e.g. Google.com. Click OK to save the changes.



Google Chrome

1) Click on 'Customize and control' Google Chrome icon, select 'Settings';
2) Choose 'Basic Options'.
3) Change Google Chrome's homepage to google.com or any other and click the 'Manage search engines...' button;
4) Select 'Google' from the list and make it your default search engine;
5) Select 'err3.9939153.info' from the list remove it by clicking the "X" mark.



Mozilla Firefox

1) Click on the magnifier's icon and select 'Manage Search Engines....';
2) Choose 'err3.9939153.info' from the list and click 'Remove' and OK to save changes;
3) Go to 'Tools' → 'Options'. Reset the startup homepage or change it to google.com under the 'General tab';



Step 4: Remove err3.9939153.info from Registry.

Open Registry Editor by navigating to Start Menu, type in Regedit, and then click OK. When you have been in Registry Editor, please remove the following related registry entries:


Solution B: Automatic Removal Process (with Spyware&Malware Remover - SpyHunter)


Scan your PC and remove threats with SpyHunter

SpyHunter is a powerful anti-spyware application that can help computer users to eliminate the infections such as Trojans, worms, rootkits, rogues, dialers, and spywares. SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step 1: Click the button to download SpyHunter



Step 2: After finishing downloading, click Run to install SpyHunter step by step.







Step 3: run SpyHunter to automatically detect and remove err3.9939153.info.



Optimize your PC with RegCure Pro

Malware prevention and removal is good. But when it comes to computer maintenance, it is far from enough. To have a better performance, you are supposed to do more works. If you need assistant with windows errors, junk files, invalid registry and startup boost etc, you could use RegCure Pro for professional help.


Step 1. Download PC cleaner RegCure Pro

 a) Click the icon below to download RegCure Pro automatically




 b) Follow the instructions to finish RegCure Pro installation process






Step 2. Run RegCure Pro and start a System Scan on your PC.



Step 3. 
When the system scan is done, click on Fix All button to completely remove all the performance problems in your computer.



Summary: Manual removal of err3.9939153.info are complex and risky task, as it refers to key parts of computer system, and is recommended only for advanced users. If you haven’t sufficient expertise on doing that, it's recommended to download SpyHunter to help you.

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