Spyware is a computer program which is designed to monitor the computer usage or browsing habits of a user and reports information back to the vendor. Spyware is often installed into one’s computer with out his consent and once installed it monitors and controls your computer use. The program may be used to send you pop-up ads, redirect your computer to websites, record your keystrokes, track internet history, or even track your confidential information. This in turn could lead to identity theft hence it is better to prevent and remove spyware.

You can manually remove a spyware even though it is a very intricate process. To manually remove a spyware you have to search out and remove the list of files which the spyware program had installed in your system. But it is always better to remove a spyware using the specific spyware removal software programs. Using spyware removal programs is the easiest and the safest way to remove a spyware. Spyware removal programs are similar to anti virus programs; you can download free versions of these programs from the internet.

Spam is an e-mail that is not requested. Email spam is mainly targeted to individual users with direct mail messages. The main aim of sending spam messages is to advertise some products. Spam mails are also known by different names such as “unsolicited commercial e-mail" (UCE), "unsolicited bulk e-mail" (UBE), and "junk mail". Usually, email spam lists are made by scanning Usenet postings or stealing Internet mailing lists.

One can get rid of the spam mails by using any spam blocker software. Spam Blocker is a computer program which helps to filter incoming correspondence. Large numbers of spam blocker programs are readily available in the internet. It is one of the best ways to stop spam mails and protect your computer from unwanted junk mails. Though there are numerous spam blockers available in the market choosing an ideal spam blocker is a great confusing for both beginners and advanced computer users. A perfect spam blocker is one which can differentiate between legitimate email and spam email.

Virus is a self-replicating computer program that spreads by copying itself into other executable code or documents stored in a computer. Some virus are designed to just to replicate themselves but some others are programmed to damage programs, delete files or even reformat the hard disk. Which ever may be the type viruses can create problems to your computer such as system crashes and data loss. Hence it is better to install any powerful anti virus program to protect your system from virus attacks.

An anti virus is a computer program designed to protect your system against viruses, Trojans, internet-worms and other malware. Anti virus program are programmed such that it can easily find out virus and heal them or can eliminate them from you computer. Nowadays there are lots of anti virus program available in the industry each comes power packed with several utilities which helps you to detect or clean any infected file before it attacks your system. Some of the award winning anti virus software programs available in the market offers ‘Free Versions’ for home users. You can easily download these programs from the internet.