Many of us wonder, “why is my computer running so slow?”. almost every instance of a slow computer occurs because the machine has been invaded by spyware or because of adware and also due to the fact that junk has filled up in the registry of your computer. In addition, you could be under the illusion that your antivirus software by itself is enough to protect your machine from all kinds of threats. I will be discussing a top quality registry cleaner that made my PC run much faster after running it.there are however numerous other factors that can cause a computer to start performing slowly and one common reason is that it does not have enough memory while another reason is its low processing power. It can also occur because of your Windows operating system not working at peak levels. You can ensure that your computer does not run slowly by making every effort to keep intruders out of your computer. But how do you do that?It is therefore a good idea to make use of hardware firewalls and you need to also install as well as configure your system firewall software to keep unwanted programs at bay. It also helps if you replace your inefficient and bloated virus protection software with a program that is more efficient and which is not hungry for lots of memory. so why clean up your PC’s registry?your computer has a registry where the Windows operating system stores all its information that needs to be accessed by the computer. this registry also holds a profile of all users and also keeps track of applications that have been installed on the machine as well as all the different documents that you have created. with constant use, this registry tends to become full and cluttered which causes the machine to perform at reduced speeds. how to speed up your PC fast?an obvious solution to improving the speed at which a computer works is to clean up its registry which is best done with the help of registry cleaner software. such software will identify and then eliminate all the unwanted junk that has filled up in the registry. By cleaning up the registry, such software will help restore the health of the computer which will start performing at peak levels once more.this is therefore the right way to the question, why is my computer running so slow? I personally managed to clean up my computer by downloading high quality registry cleaner software.