Is your homepage changed to some strange website and ads always pop up? If you want to keep your PC clear from those ads, read more and know how to remove ads by Deja Data.
What is Deja Data?
Deja Data is classified as adware which may be installed on your computer without your consent. It is a potentially unwanted program which may be bundled with other software. Some PUP or adware take the advantage of Deja Data to induce you to click on Deja Data ads and lead you to download their malicious software which pretends to give your computer protection, but actually earns money by creating traffic or even stealing sensitive data. Apparently your computer is more likely infected by virus and be in danger.
Once Deja Data installed on your computer, it can affect your browsers such as Internet Explorer, Mozilla Firefox, Google Chrome, and other browsers. You might be disturbed by those annoying pop-up ads when you are browsing the internet. Even though you try to close those popups, another window may pop up.
What’s worse? Deja Data can attack your operating system regardless of Windows Xp, Windows Vista, Windows 7, or Windows 8. Deja Data can change the default DNS settings, system files and registry. Then you will find that your computer becomes slower and slower and even influences your normal use. Apart from these, Deja Data may help hackers to control your computer and collect sensitive information.
In short, once your computer infected with Deja Data virus, your operating system and installed browsers could be under attack. Therefore, it’s better to remove Deja Data popups from your Windows and browsers as early as possible.
Guide to remove Deja Data pop-up ads
Step 1 > Terminate Deja Data process
Step 2 >Remove suspicious program from control panel
Step 3 >Remove Deja Data extension from your browsers
Option 1 Remove extensions manually
Option 2 Remove extensions and repair browsers using – Anvi Browser Repair Tool
Step 4 > Clean invalid registry entries and leftovers using – Cloud System Booster
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Step 1 > Terminate Deja Data process
>>Open the Task Manager (simultaneously tap Ctrl+Alt+Del)
>>Click the Processes tab.
>>Identify the Deja Data process, click it and select End Process.
Step 2 >Remove suspicious program from control panel
Uninstall suspicious program from Windows 7/Vista
1. Open the Start Menu and navigate to Control Panel.
2. Move the mouse pointer down to Uninstall a Program, and click it.
3. Find suspicious program, and then click Uninstall.
Uninstall suspicious program from Windows 8
1. Go to Start Menu, move the mouse pointer to Control Panel, and click it.
2. Enter programs and features in the search box, and then tap Programs and Features.
3. Tap suspicious program, and then click Uninstall.
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Please Note: Uninstall any suspicious software you don’t want or any software downloaded without your permission.
Step 3 >Remove Deja Data extension from your browsers
Option 1 Remove extensions manually
Remove Deja Data extensions from Google Chrome
1. Click the Chrome Menu (on the browser toolbar) > Tools > Extensions >
Find Deja Data related add-ons and delete them.
2. Go to Chrome Menu >Settings > On startup >Set pages >
(1). Click on the X button to delete it and add a new URL, for example, www.google.com.
(2). Settings > Appearance > Change >
(3). Settings > Search > Manage search engines >
Remove Deja Data extensions from Mozilla Firefox
1. Click on the 
button at the top right corner to open Menu > Add-ons >
2. Select the Deja Data related extensions and click Disable or Remove button.
Remove Deja Data extensions from IE
1. Tap or click the Tools button, and then tap or click Manage add-ons.
2. Under show, tap or click all add-ons, and then select Deja Data and click Remove button.
Note : If the add-on can be deleted, you’ll see the Remove option. Tap Remove and then click Close. Otherwise click Disable button.
Option 2 Remove extensions and repair browsers using – Anvi Browser Repair Tool
Anvi Browser Repair Tool is a free application designed to help users easily clear browser history and download history, caches, cookies, repair browser home page and search engine modified by malwares, fix registry errors, networking settings and many other problems may happened to your browsers. Anvi Browser Repair Tool is devoted into making you surfing online with a lighter and safer browser. Learn more…
Please Note: Anvi Browser Repair Tool is an FREE tool bundled with Cloud System Booster which can clean up system junk files, fix registry errors, repair browser problems, optimize your PC system to boost your PC Performance.
1. Install and run Cloud System Booster and click 
button >
2. Go to toolbox >
3. Download Anvi Browser Repair Tool and run it
Step 4 > Clean invalid registry entries and leftovers using – Cloud System Booster
Cloud System Booster is a system cleaner & optimizer introduced by Dotfab to provide users with Windows system maintenance solutions. It can protect your privacy online and make your Windows PC faster and more secure. Small install, easy use and comprehensive cleaning &optimizing. LEARN MORE…
1. Download and install Cloud System Booster – system maintenance & optimizer software.
2. After you install the program, please open it, click on Quick Clear button on the main screen to run a quick and full scan.
3. Once the scan completes, there will come out a result screen, please click Clear button there to remove these junk files, invalid registry entries, etc to make sure the computer system is clean.
Please Note: Because of being infected with Deja Data virus which browse malicious websites. In order to reduce the chance that the virus gets onto PC again, please follow the steps to clean up your browser cookies.
4. Back to Could System Booster Homepage→click Disk Cleaner→scroll over and opt for Internet Explorer Cookies, Firefox Cookies and Google Chrome Cookies→Click Start Clean to remove them.
