Get Rid of Ads by ContextTrue Adware Completely

I receive lots of ads from ContextTrue on my browser. I have run my security tool to scan my PC, but it detects nothing. What's wrong with my browser? How can I remove all pop-ups of ContextTrue?

Description of ContextTrue

ContextTrue is identified as a pretty hazardous adware program, which is used to take part in marketing campaign. Basically, you cannot know when this malicious program comes into your system because it is always installed with other free programs. Once ContextTrue is installed, it will make chaos on your browser. To begin with, this little pest will pop up endless commercial ads for you when you surf the Internet.
As you know, in modern time, advertising means money. So that’s the reason why this pest often pops up lots of commercial ads for you. Moreover, sooner or later, the homepage is replaced by other malicious website without asking for your permission. And it is very hard to change the homepage back to your favorite site unless you uninstall this toolbar from your browser. In addition, if you keep ContextTrue inside the system too long, it can make the system become more and more vulnerable. By then, other destructive viruses will make good use of this chance to attack your system. From this, we can see that though ContextTrue adware is not so dangerous, it can trigger other malicious activities, so you need to uninstall it from your machine as soon as possible to protect the PC.

Screenshot of ContextTrue

Annoyances that are caused by ContextTrue:

1.ContextTrue virus will slow down your PC speed, so you cannot use your PC smoothly.
2.Lots of ads keep popping up when you surf the Internet.
3.ContextTrue virus will disable your antivirus program and help other viruses attack your PC
4.Redirect problem will happen all the time.

Steps to remove ContextTrue virus:

1.Stop all vicious processes of ContextTrue from Task Manager
To do this, you can hit Ctrl+Shift+Esc at the same time to open the Task Manager. But you should know that the virus’s name may vary from one to other, so you should be careful.

2.Display all hidden files so as to remove ContextTrue's files
To show all hidden files from PC, please follow these steps:
①Click Start Menu and click Control Panel

②Click Appearance and Personalization and click Folder Options

③Go to View tab, tick Show hidden files and folders and deselect Hide protected operating system files (Recommended)

④Click OK
3.Remove all malicious files and keys from Registry Editor
To do this, you can click on Start Menu and click Run. When a dialogue pops up, you should type "regedit" in the box and click OK.

Then you will see the following Screenshot:

Now, please remove the following keys from the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\
HKCU\Software\Microsoft\Windows\CurrentVersion\
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp
Note: you should know that any mistake changes happen in the registry will cause other serious system problems. So before you make some changes, you should back up your registry first!

How to Open & Back up the Registry