We’re not great fans of the McAfee computer security and anti virus products and for most Windows users there’s plenty of free options. We recommend you don’t upgrade and instead replace it with one of the free online security problems.

First, you’ll need to download the McAfee Removal tool and the free antivirus you want to replace it with. Generally Microsoft Security Essentials is the easiest of the options. We look at them at our Which Free Antivirus is Best post.

Then, once you’ve downloaded the removal tool and the replacement anti virus, disconnect from the Internet and uninstall the McAfee products by going to Add/Remove Programs and uninstalling all the listed McAfee products.

Once you’ve uninstalled the programs (you may have to reboot a few times), run the McAfee Removal Tool you downloaded earlier.

Having run the removal tool, and possibly been asked to reboot again, you can then install the new antivirus by running the program you downloaded earlier.

Reconnect to the Internet and let the anti virus progam update and scan your computer before surfing the net and downloading email.

Without McAfee on your system, you should find it running far quicker and more reliably.

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I have sent 3 e-mails to them find how to remove it – the 3rd answer gave a link to an uninstall file however Windows Defender says the file is infectected with the Win32/FileVimes trojan & will not allow me to download the full file – smart Engine advised me to turn off Windows Defender to allow the uninstall file to be installed – this does not sound like a good idea to me

Can you please give me any advise on how to remove this program?

It’s not worth calling Smart Engine an anti-virus. It’s actually a scam that claims you’re infected with all manner of viruses and asks you to pay them to remove the non-existent malware. If anything, it’s more likely to be adding viruses than removing them.

The best way to deal with this program is to download Malware Bytes and follow the instructions in our Removing a Trojan post. This will clean it off.

Before doing it, it’s worthwhile backing up important data just in case something serious goes wrong.

Hope you can help.

This certainly is very suspicious behaviour and the first step would be to follow our Removing a Trojan instructions. Before doing that, make sure all your data has been backed up.

Both free versions of AVG and Avast! are good programs and you should use whichever one you find easiest to install.

If no malware is found, it might be best to have a technician look at the system and your security settings.

If this is only happening while you are on the net then malware is the most likely culprit regardless of what your virus program says so you should follow our Removing a Trojan instructions to make sure you don’t have an infection.

Should you be clear of any infection, it’s likely your computer is overheating and causing it to reboot. You may need to call a technician to clean out dust out of the system and check all the internal fans are working.

Unfortunately you’ve been conned into downloading some malware. These sort of scams are unfortunately more common than they should be.

The best remover for this is Malware Bytes and we go through the process of fixing this problem in our Removing a Trojan page.

Be warned though that these Trojans often block the spyware remover sites so you may have to download the programs to another computer, transfer them to a USB stick and install them that way.

If it all sounds too complex, and it often is, then you should call your local computer tech.

For the last month the Norton 360 Live Updates have not been working. I’ve contacted the Norton people and had them manually updated but this hasn’t fixed the problem as the automatic update still doesn’t work.  They uninstalled and reinstalled the programme twice but this made no difference.

They’ve now told me that I have a ctfmon.exe virus which will have to be fixed by Microsoft.  How can I have a virus when I have Norton 360 running all the time and how do I have it fixed?

First the ctfmon.exe file may not be a virus. This is a normal Microsoft Office file, so you shouldn’t assume you have an infection.

The first thing is to check you don’t have a virus and you should do this by following the instructions in our removing a Trojan page.

Once you’re happy you’ve cleared any possible virus infection, you’ll need to clean up your computer.

The next step is to update your Windows Scripting Host as Norton 360 relies on this to work properly.

With your computer now cleaned and up to date, download the latest Norton 360 update and install this.

After rebooting, check Norton 360 is updating. If not, follow the Troubleshooting Live Update instructions on the Symantec website.

Plz tel me why i am getting this kind of error message and plz help me in fixing this problem.

Comp specification- compaq presario d290mt., 512mbram,winxp,2.66ghz,p4. I am using ca antivirus on my system.

SVCHOST errors are a fairly generic warning. They really could mean anything as we’ve explained in a previous post. 

In your case this sounds like a serious malware  infection and it really would be a good idea to check your system for viruses or Trojan horses.

First, be careful you didn’t fall victim to the recent Google mistake. If Google’s your homepage any site you went to it from there may have been caught with the malware warning.

If it appears you have been hijacked, then we have a comprehensive run down on fixing these problems on our Removing a Trojan page. If you follow those instructions it should clear the problem.

Antivirus 360 is one of these irritating rip off programs that worms its way onto a computer then nags you to buy it so you can remove, usually false, malware infections.

The really frustrating part with these programs is you almost certainly have an underlying malware infection that has come in with this program.

The problem sounds like the thing hasn’t been fully removed so it would be best to follow our instructions in our Removing a Trojan post.

One common way these programs get on your system is through Internet Explorer bugs. We’d also suggest using an alternative browser to reduce your chances of accidentally downloading the thing.