You may have had a window appear on your computer screen while browsing the internet that states you need to download and run Registry Update from www.regfixit.com to fix the 55 critical system errors that Windows has found on your computer. This program will cost you about $40. www regfixit com is a website and software that sends out pop-up ads to internet users pretending to be a registry cleaner that can fix all of your problems whether they actually exist or not.The truth is that this is a scam. The software that they are trying to sell you only provides patches that Microsoft provides to users for free. However, these pop-up ads do have a positive side to them. They show that your computer is very insecure and you need to take action to correct this.This type of spam has become very common but comes as a useful warning to internet users. It shows that a computer is not taking proper security measures when communicating with the internet and is open to attacks from threats including the Blaster Worm and others. In order to properly protect your computer from these threats, you will need to install a decent firewall. Some people will recommend that you just disable the Messenger service in your Windows operating system. This will prevent the message from showing up on your screen, but this is just a way of ignoring the problem and does not protect you from future threats.For other regular internet pop-up ads you may want to try a program such as 12Ghosts Popup-killer, Pop-up Stopper or the Google Toolbar, all of which can be downloaded for free. You could also switch to a different internet browser that has the ability to block pop-ups. If you are getting pop-up messages even though you have installed a pop-up blocker, you will need to remove adware or spyware that has already been installed on your computer. To do this you can try using Ad-Aware or SpyBot, both of which are very good at locating and removing these problems.You are also going to want to make sure that you are running a good anti-virus program. Some are available for free to home users and can be found online with a quick search on Google. Just remember, this is not the only thing needed to stay safe online. Use common sense and read through a EULA before agreeing to it. Most of the time, you have agreed to let companies install adware and spyware without knowing it.

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