In this episode of NCIX Tech Tips Linus will walk you through the steps to diagnose your PC if it won’t boot.
Video Rating: 4 / 5

Having a regular scan by an authentic PC scan program is extremely important for your computer. When if comes to the free PC scan and diagnosis programs I am a big pro.
These programs do not cost a penny and protect your computer from so many malicious programs and malwares. A free PC ‘scan and repair’ program can make your computer system more secure in the following ways. Firstly, it can save your computer system from viruses. Free PC ‘scan and repair’ software will perform the following actions to judge if you are safe from viruses. It will make a check for self executing malware. Many viruses are self executing programs and also they start replicating themselves or some other folders in the PC. Other than these services, a free PC scan and repair program offers regular check ups to see if your PC is at a threat of an intruder attack. An intruder attack can be in the form of malicious software and Trojan horses. These programs are devised by hackers and may enter you computer system by an infected USB or hard drive or by an email attachment. Some advanced forms of these programs (for example the remote access or active Trojan horses) can enter the PC only if you are connected to the internet.
You can suspect the presence of a worm if your computer system has become too slow or repeatedly giving memory exhaustion messages. And finally it will make a check for Trojan horses. The Trojan horses are programs that are disguised as useful programs. They can easily give the hackers can access to your PC. The worms gradually eat up almost all of the memory of the operating system which can cause irritable halts and even crashes. And lastly they perform a check to see if your anti virus product is up to date and is working properly. A free PC scan and diagnosis also offers a regular check of your anti virus program. Your anti virus program also needs regular updates. To make sure it is updated regularly, leave the task to a scan program. It will make sure that it is in good health and its latest possible version is always installed in your PC.I recommend you to try Spyzooka. It is a Free PC Scan and repair program. I am using it for 2 months now and the performance and speed of my computer has increased many folds.

I am a big advocate of free PC scan and repair software. I can not deny the fact that the paid versions of scan programs are better. But I am of the opinion that usually the average used PC is not infected enough that it needs a premium version of the scan.
These programs offer so much and that too without spending a dollar that (in my opinion) the premium or the paid scanning programs are going to go obsolete very soon. Following are the potential benefits and advantages that a free PC scan and diagnosis program can offer. First of all, a free PC scan and diagnosis program can keep you safe from hackers, intruders and other internet threats. Have you ever heard of Trojan horses, active Trojan horses or remote access Trojan horses? Trojan horses are malware programs that are usually disguised as utility programs, games or other useful software.You can download from the internet, or can open them from the email attachments or they can enter your PC with out your permission simply if you are connected to the internet. Once you open these programs they can steal your passwords or they can steal all the contacts from your email address book and can send annoying, irritating, threatening or deceiving emails to all of your contacts. Other than Trojan horses there are active Trojan horses or remote Trojan horses. Active Trojan horses can simply pass the control of your PC to the hacker(s). A free scan program can protect you from such happenings.
Secondly, a free PC scan and diagnosis can enhance the performance and speed of your computer. This is a great service and this objective is achieved by the detection of the malicious worms. The worms are mal ware programs that remain hidden in your computer system. The worms keep on replicating and executing themselves. They eat up all the available active memory and also disturb the hard disks, which are meant for remote storage. Since they are hidden the user can not detect them. They make the computer extremely slow and it may give memory exhaustion messages even if you perform a teeny tiny operation. Without a PC scan program the presence of the worm(s) is known only when it halts the computer and the Operating System crashes. And also a free PC scan and diagnosis can protect you from viruses. The viruses are self replicating programs which do not ask for your permission to destroy your information file, cause erratic system behavior and display obnoxious and/or annoying messages. Good PC scan software protects you from viruses.The Spyzooka is one of the best Free PC Scan and that I have ever installed. The earlier version was somewhat a beginner’s version and did not provide advanced security. But after I have downloaded the latest version I have noticed great improvements that many renowned PC scan programs do not offer.